# HO-CHUNK NATION CODE (HCC)

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## Record

- **Collection:** Tribal code
- **Document type:** Tribal code

## Text

HO-CHUNK NATION CODE (HCC)
TITLE 6 – PERSONNEL, EMPLOYMENT AND LABOR CODE
SECTION 8 – OCCUPATIONAL SAFETY AND HEALTH
PROGRAM ACT OF 2002
SUBSECTION 4 – ELECTRICAL SAFETY
ENACTED BY LEGISLATURE: MAY 20, 2002
LAST AMENDED AND RESTATED: December 6, 2022
CITE AS: 6 HCC § 8-4
1. Authority. See basic document (Occupational Safety and Health Program Act).
2. Purpose. This subsection of the Occupational Safety and Health Program Act provides practices
and procedures intended to provide for employee safety relative to electrical hazards in the
workplace.
3. Definitions. See basic document (Occupational Safety and Health Program Act). In addition, the
following definitions apply to this subsection.
a. “Accessible” as applied to wiring methods, means capable of being removed or exposed
without damaging the building structure or finish, or not permanently closed in by the structure or
finish of the building.
b. “Accessible” as applied to equipment, means admitting for close approach; not guarded by
locked doors, elevation, or other effective means.
c. “Accessible, Readily (Readily Accessible)” means capable of being reached quickly for
operation, renewal, or inspections, so that those needing ready access do not have to climb over or
remove obstacles or to resort to portable ladders, chairs, etc.
d. “Ampacity” means the current, in amperes, that a conductor can carry continuously under
the conditions of use without exceeding its temperature rating.
e. “Attachment Plug (Plug Cap) or (Cap)” means a device that, by insertion in a receptacle,
establishes a connection between the conductors of the attached flexible cord and the conductors
connected permanently to the receptacle.
f. “Barricade” means a physical obstruction such as tapes, cones, or A-frame-type wood or
metal structures intended to provide a warning about and to limit access to a hazardous area.
g. “Barrier” means a physical obstruction that is intended to prevent contact with equipment
or live parts or to prevent unauthorized access to a work area.

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h. “Bonding (Bonded)” means the permanent joining of metallic parts to form an electrically
conductive path that will ensure electrical continuity and the capacity to conduct safely any current
likely to be imposed.
i. “Bonding Jumper” means a reliable conductor to ensure the required electrical conductivity
between metal parts required to be electrically connected.
j. “Branch Circuit” means the circuit conductors between the final overcurrent device
protecting the circuit and the outlet(s).
k. “Circuit Breaker” means a device designed to open and close a circuit by non-automatic
means and to open the circuit automatically on a predetermined overcurrent without damage to itself
when properly applied within its range.
l. “Competent Person” means one who is capable of identifying existing and predictable
hazards in the surroundings or working conditions that are unsanitary, hazardous, or dangerous to
employees and who has authorization to take prompt corrective measures to eliminate them.
m. “Concealed” means rendered inaccessible by the structure or finish of the building. Wires
in concealed raceways are considered concealed, even though they may become accessible by
withdrawing them.
n. “Conductive” means suitable for carrying electric current.
o. “Conductor” means any of the following:
(1) Bare Conductor. A conductor having no covering or electrical insulation
whatsoever.
(2) Covered Conductor. A conductor encased within material of composition or
thickness that is not recognized by this standard as electrical insulation.
(3) Insulated Conductor. A conductor encased within material of composition and
thickness that it is recognized by this standard as electrical insulation.
p. “De-energized” means free from any electrical connection to a source of potential
difference and from electrical charge; not having a potential different from that of the earth.
q. “Device” means a unit of an electrical system that is intended to carry but not utilize
electric energy.
r. “Disconnecting Means” means a device, group of devices, or other means by which the
conductors of a circuit can be disconnected from their source of supply.

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s. “Electrical Hazard” means a dangerous condition such that contact, or equipment failure
can result in electric shock, are flash burn, thermal burn, or arc blast injury.
t. “Electrical Safety” means recognizing hazards associated with the use of electrical energy
and taking precautions to reduce the risk associated with those hazards.
u. “Electrically Safe Work Condition” means a state in which an electrical conductor or
circuit part has been disconnected from energized parts, locked/tagged in accordance with established
standards, tested to verify the absence of voltage, and if necessary, temporarily grounded for personal
protection.
v. “Exposed” as applied to live parts, means capable of being inadvertently touched or
approached nearer than a safe distance by a person. It is applied to parts that are not suitably guarded,
isolated, or insulated. (NOTE: See “Accessible” and “Concealed”)
w. “Exposed” as applied to wiring methods, means on or attached to the surface, or behind
panels designed to allow access. [NOTE: See “Accessible (As applied to wiring methods.)]
x. “Ground” means a conducting connection, whether intentional or accidental, between an
electrical circuit or equipment and the earth, or to some conducting body that serves in place of the
earth.
y. “Grounded” means connected to the earth or to some conducting body that serves in place
of the earth.
z. “Grounded Conductor” means a system or circuit conductor that is intentionally grounded.
aa. “Grounded, effectively” means intentionally connected to earth through a ground
connection or connections of sufficiently low impedance and having sufficient current-carrying
capacity to prevent the buildup of voltages that may result in undue hazards to connected equipment
or to persons.
bb. “Grounding Conductor” means a conductor used to connect equipment or the grounded
circuit of a wiring system to a grounding electrode or electrodes.
cc. “Ground-Fault Circuit-Interrupter” means a device intended for the protection of
personnel that functions to de-energize a circuit or a portion within an established period of time
when a current to ground exceeds some predetermined value that is less than that required to operate
the overcurrent protective device of the supply circuit.

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dd. “Limited Approach Boundary” means an approach limit at a distance from an exposed
energized electrical conductor or circuit part within a shock hazard exists.
ee. “Overcurrent” means any current in excess of the rated current of equipment or the
ampacity of a conductor. It may result from overload, short circuit, or ground fault.
ff. “Overload” means the operation of equipment in excess of normal, full-load rating, or of a
conductor in excess of rated ampacity that, when it persists for a sufficient length of time, would
cause damage or dangerous overheating. A fault, such as a short circuit or ground fault, is not an
overload. (See Overcurrent.)
gg. “Panelboard” means a single panel or group of panel units designed for assembly in the
form of a single panel; including buses, automatic overcurrent devices, and with or without switches
for the control of light, heat, or power circuits; designed to be placed in a cabinet or cutout box
placed in or against a wall or partition and accessible only from the front. (See Switchboard.)
hh. “Qualified Person” means one who, by possession of a recognized degree, certificate, or
professional standing, or who by extensive knowledge, training and experience, has successfully
demonstrated his ability to solve or resolve problems relating to the subject matter, the work, or the
project.
ii. “Receptacle” means a contact device installed at the outlet for the connection of an
attachment plug. A single receptacle is a single contact device with no other contact device on the
same yoke. A multiple receptacle is two or more contact devices on the same yoke.
jj. “Restricted Approach Boundary” means an approach limit at a distance from an exposed
energized electrical conductor or circuit part within which there is an increased likelihood of electric
shock, due to electrical arc-over combined with inadvertent movement.
kk. “Switchboard” means a large single panel, frame, or assembly of panels on which are
mounted, on the face or back, or both, switches, overcurrent and other protective devices, buses, and
(usually) instruments. Switchboards are generally accessible from the rear as well as from the front
and are not intended to be installed in cabinets. (See Panelboard.)
ll. “Voltage (of a circuit)”, means the greatest root-mean-square (rms) (effective) difference
of potential between any two conductors of the circuit concerned.
mm. “Voltage, Nominal” means a nominal value assigned to a circuit or system for the
purpose of conveniently designating its voltage class (as 120/240 volts, 480Y/277 volts, 600 volts).
The actual voltage at which a circuit operates can vary from the nominal within a range that permits
satisfactory operation of equipment.

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nn. “Working On (energized electrical conductors or circuit parts)”, means intentionally
coming in contact with energized electrical conductors or circuit parts with the hands, feet, or other
body parts, with tools, probes, or with test equipment, regardless of the PPE a person is wearing.
There are two categories of “working on”: “Diagnostic (testing) is taking readings or measurements
of electrical equipment, conductors, or circuit parts with approved test equipment that does not
require making any physical change to the electrical equipment, conductors, or circuit parts.
“Repair” is any physical alteration of electrical equipment, conductors, or circuit parts (such as
making or tightening connections, removing or replacing components, etc.)
4. Training Requirements.
a. The training requirements contained in this section shall apply to employees exposed to an
electrical hazard when the risk associated with that hazard is not reduced to a safe level by the
electrical installation requirements. Such employees shall be trained to understand the specific
hazards associated with electrical energy. They shall be trained in safety-related work practices and
procedural requirements, as necessary, to provide protection from the electrical hazards associated
with their respective job or task assignments. Employees shall be trained to identify and understand
the relationship between electrical hazards and possible injury.
b. The training required by this section shall be classroom or on-the-job type, or a
combination of the two. The type and extent of the training provided shall be determined by the risk
to the employee.
c. Employees exposed to shock hazards and those responsible for the safe release of victims
from contact with energized electrical conductors or circuit parts shall be trained in methods of
release of victims from contact with exposed energized conductors or circuit parts. They shall be
regularly instructed in methods of first aid and emergency procedures, such as approved methods of
resuscitation, if their duties warrant such training. Refresher training shall occur annually.
d. Qualified Persons.
(1) A qualified person shall be trained and knowledgeable in the construction and
operation of equipment or a specific work method and be trained to identify and avoid the electrical
hazards that might be present with respect to that equipment or work method. Such persons shall also
be familiar with the proper use of special precautionary techniques, electrical policies and
procedures, personal protective equipment, insulating and shielding materials, and insulated tools and
test equipment. A person can be considered qualified with respect to certain equipment and tasks but
still be unqualified for others. Such persons permitted to work within the limited approach boundary
shall, at a minimum, be additionally trained in all of the following:

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(a) The skills and techniques necessary to distinguish exposed energized
electrical conductors and circuit parts from other parts of electric equipment.
(b) The skills and techniques necessary to determine the nominal voltage of
exposed energized electrical conductors and circuit parts.
(c) The approach distances specified in Table I and the corresponding
voltages to which the qualified person will be exposed.
(d) The decision-making process necessary to determine the degree and
extent of the hazard and the PPE and job planning necessary to perform the hierarchy of risk control
methods as outlined in Section 9.
(2) An employee who is undergoing on-the-job training for the purpose of obtaining
the skills and knowledge necessary to be considered a qualified person, and who in the course of
such training, has demonstrated an ability to perform specific duties safely at his/her level of
training, and who is under the direct supervision of a qualified person shall be considered to be a
qualified person for the performance of those specific duties.
e. Unqualified Persons. Unqualified persons shall be trained in and be familiar with, any of
the electrical safety-related practices necessary for their safety.
5. Working On or Near Electrical Conductors or Circuit Parts. Safety-related work practices
shall be used to prevent electric shock or other injuries resulting from either direct or indirect
electrical contacts, when work is being performed on or near equipment or circuits that are or can
become energized. The specific safety-related work practice shall be consistent with the nature and
extent of the associated electric hazards.
a. Live parts to which an employee might be exposed shall be de-energized before an
employee works on or near them, unless the employer can demonstrate that de-energizing introduces
additional or increase hazards or is infeasible due to equipment design or operational limitations.
Live parts that operate at less than 50 volts to ground are not required to be de-energized if there will
be no increased exposure to electrical burns or to explosion due to electric arcs.
(1) Examples of increased or additional hazards include, but are not limited to,
interruption of life support equipment, deactivation of emergency alarm systems, shutdown of
hazardous location ventilation equipment, or removal of illumination for an area.
(2) Examples of work that may be performed on or near energized circuit parts
because of unfeasibility due to equipment design or operational limitations include performing
diagnostics and testing (i.e. start-up or troubleshooting) of electric circuits that can only be performed
with the circuit energized and work on circuits that form an integral part of a continuous industrial
process in a chemical plant that would otherwise need to be completely shut down in order to permit
work on one circuit or piece of equipment.

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b. Only qualified persons shall be permitted to work on electrical equipment that has not been
de-energized. Such persons shall be capable of working safely on energized circuits and shall be
familiar with the proper use of special precautionary techniques, personal protective equipment,
insulating and shielding materials, and insulated tools.
c. Establishing and verifying an electrically safe work condition shall be achieved when
performed in accordance with paragraph 6 and verified by the following process:
(1) Determine all possible sources of electrical supply to the specific equipment.
Check applicable up-to-date drawings, diagrams, and identification tags.
(2) After properly interrupting the load current, open the disconnecting device(s) for
each source.
(3) Wherever possible, visually verify that all blades of the disconnecting devices are
fully open or that drawout-type circuit breakers are withdrawn to the test or fully disconnected
position.
(4) Release stored electrical energy.
(5) Block or relieve stored nonelectrical energy in devices to the extent the circuit
parts cannot be unintentionally energized by such devices.
(6) Apply lockout/tag-out devices in accordance with a documented and
established policy.
(7) Use an adequately rated portable test instrument to test each phase conductor or
circuit part to test for the absence of voltage. Test each phase conductor or circuit part both phase-tophase and phase-to-ground. Before and after each test, determine that the voltage detector is
operating satisfactorily through verification on any known voltage source.
(8) Where the possibility of induced voltages or stored electrical energy exists,
ground all circuit conductors and circuit parts before touching them. Where it could be reasonably
anticipated that the conductors or circuit parts being de-energized could contact other exposed
energized conductors or circuit parts, apply temporary protective grounding equipment rated for the
available fault duty.
6. Establishing an Electrically Safe Work Condition. Each enterprise or department shall
establish, document, and implement a lock-out/tag-out program. The lockout/tagout program shall
specify lockout/tagout procedures to safeguard employees from exposure to electrical hazards. The
lock-out/tag-out program and procedures shall also be applicable to the experience and training of the
employees and conditions as they exist in the workplace, meet the requirements of 6 HCC § 8-5, and
apply to fixed, permanently installed equipment, temporarily installed equipment, and portable
equipment.

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7. Work Involving Electrical Hazards. This section covers requirements for work involving
electrical hazards such as the electrically safety-related work practices, assessments, precautions, and
procedures when an electrically safe work condition cannot be established.
a. Safety-related work practices shall be used to protect employees from injury while they are
exposed to electrical hazards from electrical conductors or circuit parts that are or can become
energized.
b. When energized electrical conductors and circuit parts operating at voltages equal to or
greater than 50 volts are not put into an electrically safe work condition, and work is performed as
permitted, all the following requirements shall apply:
1) Only qualified persons shall be permitted to work on electrical conductors or
circuit parts that have not been put into an electrically safe condition.
2) A shock risk assessment shall be performed as required by this section.
3) An arc flash risk assessment shall be performed as required by this section.
c. Shock Risk Assessment. A shock risk assessment shall be performed to identify shock
hazards, to estimate the likelihood of occurrence of injury or damage to health and the potential
severity of injury or damage to health, and to determine if additional protective measures are
required, including the use of PPE.
(1) Estimate of Likelihood and Severity. The estimate of likelihood of occurrence of
injury or damage to health and the potential severity of injury or damage to health shall take into
consideration the design of the electrical equipment, and the electrical equipment operating condition
and the condition of maintenance. The results of the shock risk assessment shall be documented
(2) Shock Protection Boundaries. The shock protection boundaries identified as
limited approach boundary and restricted approach boundary shall be applicable where employees
are approaching exposed energized electrical conductors or circuit parts. Table I (page 10) shall be
used for the distances associated with various ac system voltages. Table II shall be used for the
distances associated with various dc system voltages.
a. Restricted Approach Boundary. No qualified person shall approach or
take any conductive object closer to exposed energized electrical conductors or circuit parts than the
restricted approach boundary set forth in Table III and Table IV, unless one of the following
conditions applies:
1) The qualified person is insulated or guarded from energized
electrical conductors or circuit parts operating at 50 volts or more. Insulating gloves and sleeves are
considered insulation only with regard to the energized parts upon which work is performed.

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2) The energized electrical conductors or circuit parts are insulated
from the qualified person and from any other conductive object at a different potential.
(3) Limited Approach Boundary.
a. Unqualified person shall not be permitted to approach nearer than the limited
approach boundary of energized conductors and circuit parts.
b. Where one or more unqualified persons are working at or close to the limited
approach boundary, alerting methods (safety signs and tags, barricades, or attendants) shall be
applied to advise the unqualified person(s) of the electrical hazard and warn him or her to stay
outside of the limited approach boundary.
c. Where there is a need for an unqualified person(s) to cross the limited
approach boundary, a qualified person shall advise the unqualified person(s) of the possible hazards
and continuously escort the unqualified person(s) while inside the limited approach boundary. Under
no circumstances shall unqualified person(s) be permitted to cross the restricted approach boundary.
(4) Restricted Approach Boundary. No qualified person shall approach or take any
conductive object closer to live parts nearer than the restricted approach boundary set forth in Table
I (page 12), unless one of the following conditions applies:
(a) The qualified person is insulated or guarded from the live parts (insulating
gloves or insulating gloves and sleeves are considered insulation only with regard to the energized
parts upon which work is being performed), and no insulated part of the qualified person’s body
enters the prohibited space set forth in Table I; or
(b) The live part is insulated from the qualified person and from any other
conductive object at a different potential; or
(c) The qualified person is insulated from any other conductive object as
during live-line bare-hand work.
(5) Arc Flash Risk Assessment.
(a) An arc flash assessment shall be performed to identify arc flash hazards,
to estimate the likelihood of occurrence of injury or damage to health and the potential severity of
injury or damage to health, and to determine if additional protective measures are required,
including the use of PPE.

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(b) The estimate of the likelihood of occurrence of injury or damage to health
and the potential severity of injury or damage to health shall take into consideration the design of the
electrical equipment, including its overcurrent protective device and its operating time; and the
electrical equipment operating condition and condition of maintenance.
(c) If additional protective measures are required, they shall be selected and
implemented according to the hierarchy of risk control. When the additional protective measures
include the use of PPE, the appropriate safety-related work practices, the arc flash boundary, and the
PPE to be used within the arc flash boundary shall be determined.
(d) The results of the arc flash risk assessment shall be documented.
(6) Arc Flash Boundary.
(a) The arc flash boundary shall be the distance at which the incident energy
equals 1.2 cal/cm² (5 J/cm²).
(b) The arc flash boundary shall be permitted to be determined by Table II
[Section 10, paragraph (8)(a)] when the requirements of this table apply.
Table I: Shock Protection Approach Boundaries to Exposed Energized Electrical Conductors
or Circuit Parts for Direct-Current Systems.

(All dimensions are distance from live part to employee.)
(1)

(2)
Limited Approach
Boundary

(3)
Limited Approach
Boundary

Nominal System
Voltage Range,
Phase to Phase
Less than 50 V
50 V to 300 V
301 V to 1 kV
1.1 kV to 5 kV
5 kV to 15 kV
15.1 kV to 45 kV
45.1 kV to 75 kV
75.1 kV to 150 kV
150.1 kV to 250 kV
250.1 kV to 500 kV
500.1 kV to 800 kV

Exposed
Movable
Conductor
Not specified
10 ft 0 in
10 ft 0 in
10 ft 0 in
10 ft 0 in
10 ft 0 in
10 ft 0 in
10 ft 8 in
11 ft 8 in
20 ft 0 in
26 ft 0 in

Exposed
Fixed
Circuit Part
Not specified
3 ft 6 in
3 ft 6 in
5 ft 0 in
5 ft 0 in
8 ft 0 in
8 ft 0 in
10 ft 0 in
11 ft 8 in
20 ft 0 in
26 ft 0 in

10

(4)
Restricted
Approach
Boundary;
Includes
Inadvertent
Movement
Adder
Not specified
Avoid contact
1 ft 0 in
1 ft 5 in
2 ft 2 in
2 ft 9 in
3 ft 6 in
3 ft 10 in
5 ft 3 in
11 ft 6 in
16 ft 5 in

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(7) Protective Clothing and PPE for Application with an Arc Flash Risk Assessment. Where it has
been determined that work will be performed within the arc flash boundary by paragraph (6) above,
the arc flash risk assessment shall determine, and the enterprise/ department shall document, the
incident energy exposure level of the worker (in calories per square centimeter). This incident energy
exposure level shall be based on the working distance of the employee’s face and chest areas from a
prospective arc source for the specific task to be performed. Arc-rated (AR) Clothing and PPE shall
be used by the employee based upon the incident energy exposure associated with the specific task.
Recognizing that incident energy increases as the distance from the arc flash decreases, additional
PPE shall be used for any parts of the body that are closer than the working distance at which the
incident energy was determined. As an alternative, the PPE requirements of paragraph 10c(8) shall
be permitted to be used in lieu of the detailed arc flash risk assessment approach described in
paragraph (6) above.
8. Work On or Near Uninsulated Overhead Lines.
a. Uninsulated and Energized. Where work is performed in locations containing uninsulated
energized overhead lines that are not guarded or isolated, precautions shall be taken to prevent
employees from contacting such lines directly with any unguarded parts of their body or indirectly
through conductive materials, tools, or equipment. Where the work to be performed is such that
contact with uninsulated energized overhead lines is possible, the lines shall be de-energized and
visibly grounded at the point of work, or suitably guarded.
b. De-energizing or Guarding. If the lines are to be de-energized, arrangements shall be made
with the person or organization that operates or controls the lines to de-energize them and visibly
ground them at the point of work. If arrangements are made to use protective measures, such as
guarding, isolating, or insulation, these precautions shall prevent each employee from contacting
such lines directly with any part of his or her body or indirectly through conductive materials, tools,
or equipment.
c. The enterprise/department and employee shall be responsible to ensure that guards or
protective measures are satisfactory for the conditions. Employees shall comply with established
work methods and the use of protective equipment.
d. Approach Distances for Unqualified Persons. When unqualified employees are working on
the ground or in an elevated position near overhead lines, the location shall be such that the employee
and the longest conductive object the employee might contact cannot come closer to any unguarded,
energized overhead power line than the limited approach boundary in Table I. If the voltage on the
line exceeds 50 kV, the distance shall be 10 ft plus 4 in. for every 10 kV over 50 kV.

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e. Vehicular and Mechanical Equipment.
(1) Where any vehicle or mechanical equipment structure will be elevated near
energized overhead lines, it shall be operated so that the limited approach boundary distance of Table
I, Column 2 is maintained. However, under any of the following conditions, the clearances shall be
permitted to be reduced:
(a) If the vehicle is in transit with its structure lowered, the limited approach
boundary to overhead lines shall be permitted to be reduced by 6 ft.
(b) If insulated barriers, rated for the voltages involved, are installed, and they
are not part of an attachment to the vehicle, the clearance shall be permitted to be reduced to the
design working dimensions of the insulating barrier.
(c) If the equipment is an aerial lift insulated for the voltage involved, and if
the work is performed by a qualified person, the clearance (between the uninsulated portion of the
aerial lift and the power line) shall be permitted to be reduced to the restricted approach boundary
given in Table I, Column 4.
(2) Employees standing on the ground shall not contact the vehicle or mechanical
equipment or any of its attachments, unless:
(a) The employee is using protective equipment rated for the voltage; or
(b) The equipment is located so that no uninsulated part of its structure (that
portion of the structure that provides a conductive path to employees on the ground) can come closer
to the line than permitted in (a) above.
(3) If any vehicle or mechanical equipment is capable of having parts of its structure
elevated within the limited approach boundary of exposed movable conductors of energized
overhead lines and is intentionally grounded, employees working on the ground near the point of
grounding shall not stand at the grounding location whenever there is a possibility of overhead line
contact. Additional precautions, such as the use of barricades or insulation, shall be taken to protect
employees from hazardous ground potentials (step and touch potential), which can develop within a
few feet or more outward from the grounded point.
9. Electrical Safety Program.
a. Job Briefing.

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(1) Before starting each job each job that involves exposure to electrical hazards, the
employee in charge shall complete a job safety plan and conduct a job briefing with the employees
involved. The briefing shall cover a description of the job and the individual tasks; identification of
the electrical hazards associated with each task; a shock risk assessment in accordance with 7(c)(1)
above for tasks involving a shock hazard; an arc flash risk assessment in accordance with 7(c)(5)
above for tasks involving an arc flash hazard; and work procedures involved, special precautions, and
energy source controls.
(2) If the work or operations to be performed during the workday or shift are
repetitive and similar, at least one job briefing shall be conducted before the start of the first job of
the day or shift. Additional job safety planning and job briefings shall be held if changes that might
affect the safety of the employees occur during the course of the work.
(3) A brief discussion shall be satisfactory if the work involved is routine and if the
employee, by virtue of training and experience, can reasonably be expected to recognize and avoid
the hazards involved in the job. A more extensive discussion shall be conducted if:
(a) The work is complicated or particularly hazardous, or
(b) The employee cannot be expected to recognize and avoid the hazards
involved in the job.
b. Alertness.
(1) Employees shall be instructed to be alert at all times where electrical hazards
might exist.
(2) Employees shall not be permitted to work where electrical hazards exist while
their alertness is recognizably impaired due to illness, fatigue, or other reasons.
c. Blind Reaching. Employees shall be instructed not to reach blindly into areas that might
contain exposed electrical conductors or circuit parts where an electrical hazard exists.
d. Illumination.
(1) Employees shall not enter spaces where electrical hazards exist unless
illumination is provided that enables the employees to perform the work safely.
(2) Where lack of illumination or an obstruction precludes observation of the work to
be performed, employees shall not perform any task where an electrical hazard exists.

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e. Conductive Articles Being Worn. Conductive articles of jewelry and clothing (such as
watchbands, bracelets, rings, key chains, necklaces, metalized aprons, cloth with conductive thread,
metal headgear, or metal frame glasses) shall not be worn within the restricted approach boundary or
where they present an electrical contact hazard with exposed energized electrical conductors or
circuit parts.
f. Conductive Materials, Tools, and Equipment Being Handled.
(1) Conductive materials, tools, and equipment that are in contact with any part of an
employee’s body shall be handled in a manner that prevents unintentional contact with energized
electrical conductors or circuit parts. Such materials and equipment shall include, but are not limited
to, long conductive objects, such as ducts, pipes and tubes, conductive hose and rope, metal-lined
rules and scales, steel tapes, pulling lines, metal scaffold parts, structural members, bull floats, and
chains.
(2) Means shall be employed to ensure that conductive materials approach exposed
energized electrical conductors or circuit parts no closer than that permitted by Table I.
g. Confined or Enclosed Workspaces. When an employee works in a confined or enclosed
space (such as a manhole or vault) where an electrical hazard exists, the employee shall use
protective shields, protective barriers, or insulating materials as necessary to against electrical
hazards. Doors, hinged panels, and the like shall be secured to prevent their swinging into an
employee and causing the employee to contact exposed energized electrical conductors or circuit
parts where an electrical hazard exists if movement of the door, hinged panel, and the like is likely to
create a hazard.
h. Safety Interlocks. Only a qualified person following the requirements for working inside
the restricted approach boundary shall be permitted to defeat or bypass an electrical safety interlock
over which the person has sole control, and then only temporarily while the qualified person is
working on the equipment. The safety interlock system shall be returned to its operable condition
when the work is complete.
i. Housekeeping Duties. Employees shall not perform housekeeping duties inside the limited
approach boundary where there is a possibility of contact with energized electrical conductors or
circuit parts, unless adequate safeguards (such as insulating equipment or barriers) are provided to
prevent contact. Electrically conductive cleaning materials (including conductive solids such as steel
wool, metabolized cloth, and silicon carbide, as well as conductive liquid solution) shall not be used
inside the limited approach boundary unless procedures to prevent electrical contact are followed.

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Electrical Safety
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j. Occasional Use of Flammable Materials. Where flammable materials are present only
occasionally, electric equipment capable of igniting them may not be used, unless measures are taken
to prevent hazardous conditions from developing. Such materials include, but are not limited to
flammable gases, vapors, or liquids; combustible dust; and ignitable fibers or flyings.
k. Overcurrent Protection Modification. Overcurrent protection of circuits and conductors
shall not be modified, even on a temporary basis.
10. Personal and Other Protective Equipment.
a. Employees exposed to electrical hazards when the risk associated with that hazard is not
adequately reduced by the applicable electrical installation requirements shall be provided with, and
shall use, protective equipment that is designed and constructed for the specific part of the body to be
protected and for the work to be performed.
b. Care of Equipment. Protective equipment shall be maintained in a safe, clean, and reliable
condition and in accordance with manufacturers’ instructions. The protective equipment shall be
visually inspected before each use. Protective equipment shall be stored in a manner to prevent
damage from physically damaging conditions and from moisture, dust, and other deteriorating
agents.
c. Personal Protective Equipment.
(1) When an employee is working within the restricted approach boundary, he/she
shall wear PPE in accordance with the shock risk assessment. When an employee is working within
the arc flash boundary, he or she shall wear protective clothing and other PPE in accordance with the
arc flash assessment. All parts of the body inside the arc flash boundary shall be protected.
(2) Employees will wear nonconductive head protection wherever there is a danger of
head injury from electric shock or burns due to contact with energized electrical conductors or circuit
parts or from flying objects resulting from an electrical explosion.
(3) Head, Face, Neck, and Chin Protection. Employees shall wear nonconductive
head protection wherever there is a danger of head injury from electric shock or burns due to contact
with energized electrical conductors or circuit parts or from flying objects resulting from an electrical
explosion. Employees shall wear nonconductive protective equipment for the face, neck, and chin
whenever there is a danger of injury from exposure to electric arcs or flashes or from flying objects
resulting from electrical explosion. If employees wear hairnets or beard nets, or both, these items
shall be arc rated.
(4) Eye Protection. Employees shall wear protective equipment for the eyes whenever
there is danger of injury from electric arcs, flashes, or from flying objects resulting from electrical
explosion.

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(5) Hearing Protection. Employees shall wear hearing protection whenever working
within the arc flash boundary.
(6) Body Protection. Employees shall wear arc-rated clothing wherever there is
possible exposure to an electric arc flash above the threshold incident energy level for a seconddegree burn [1.2 cal/cm² (5 J/cm²)].
(7) Hand and Arm Protection. Employees shall wear rubber insulating gloves with
leather protectors where there is danger of hand injury from electric shock and burns due to
contact with exposed energized electrical conductors or circuit parts. Hand and arm protection
shall be worn where there is possible exposure to arc flash burn.
(8) Foot and Leg Protection. Where insulated footwear is used as protection against
step and touch potential, dielectric overshoes shall be required. Insulated soles shall not be used
as primary electrical protection.
(9) Protective Clothing and PPE.
Table II (page 17) shall be used to determine the required PPE.
(a) Energized parts that operate at less than 50 volts are not required to be deenergized to satisfy an “electrically safe work condition.” Consideration should be given to the
capacity of the source; any overcurrent protection between the energy source and the worker, and
whether the work task related to the source operating at less than 50 volts increases exposure to
electrical burns or to explosion from an electric arc.
(b) Once the Arc Flash PPE Category has been identified, refer to Table III
(page 19). This Table lists the requirements for protective equipment based on Arc Flash Category
numbers 1 – through 4. This clothing and equipment shall be used when working within the Arc
Flash Boundary.
(c) The PPE requirements of this section are intended to protect a person from
arc flash hazards. While some situations may result in burns to the skin even with the protection
described in Table III, burn injury should be reduced and survivable. Due to the explosive effect of
some arc events, physical trauma injuries may occur. The PPE requirements of this section do not
provide protection against physical trauma other than exposure to the thermal effects of an arc flash.

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Table II: Arc Flash PPE Categories for Direct Current (dc) Systems
Equipment

Arc Flash
PPE
Category

Arc Flash
Boundary

Storage batteries, dc switchboards, and other dc supply
sources
Parameters: Greater than or equal to 100 volts and less than
or equal to 250 volts
Maximum arc duration and minimum working distance: 2
sec @ 18 in
Available fault current less than 4 kV
2
3 ft
Available fault current greater than or equal to 4 kV and less
2
4 ft
than 7 kV
Available fault current greater than or equal to 7 kV and less
3
6 ft
than 15 kV
Storage batteries, dc switchboards, and other dc supply
sources
Parameters: Greater than 250 volts and less than or equal to
600 volts
Maximum arc duration and minimum working distance: 2
sec @ 18 in
Available fault current less than 1.5 kV
2
3 ft
Available fault current greater than or equal to 1.5 kV and
2
4 ft
less than 3 kV
Available fault current greater than or equal to 3 kV and less
3
6 ft
than 7 kV
Available fault current greater than or equal to 7 kV and less
4
8 ft
than 10 kV
Notes:
(1) Apparel that can be expected to be exposed to electrolyte must meet both of the following conditions:
a. Be evaluated for electrolyte protection
b. Be arc rated
(2) A two-second arc duration is assumed if there is no overcurrent protective device (OCPD) or if the
fault clearing time is not known. If the fault clearing time is known and is less than 2 seconds, an incident
energy analysis could provide a more representative result.
Note 1: When determining available fault current, the effects of cables and any other impedances in the
circuit should be included. Power system modeling is the best method to determine the available shortcircuit current at the point of the arc. Battery cell short-circuit current can be obtained from the battery
manufacturer.
Note 2: The methods for estimating dc arc flash incident energy that were used to determine the categories
for this table are based on open-air incident energy calculations. Open-air calculations were used because
many battery systems and other dc process systems are in open areas or rooms. If the specific task is within
an enclosure, it would be prudent to consider additional PPE protection beyond the value shown in this
table.

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d. Protective Clothing.
(1) Factors in Selection of Protective Clothing.
(a) Protective clothing includes shirts, pants, coveralls, jackets, and parkas worn
routinely by workers who, under normal working conditions, are exposed to momentary electric arc
and related thermal hazards. Arc-rated rainwear worn in inclement weather are included in this
category.
(b) Clothing and equipment that provide worker protection from shock and arc flash
hazards shall be used. Clothing and equipment required by the degree of exposure shall be permitted
to be worn alone or be integrated with flammable, non-melting apparel. It shall cover associated
parts of the body and all normal apparel that is not flash-flame resistant, while allowing movement
and visibility. All PPE shall be maintained in a sanitary and reliable condition. Individual protection
items will normally be used in conjunction with one another as a system to provide appropriate
protection.
(c) Layering. Non-melting, flammable fiber garments shall be permitted to be used
as under layers in conjunction with arc-rated garments in a layered system. A typical layering system
may include cotton underwear, a cotton shirt and trouser, and an arc-rated coverall. Specific tasks
may call for additional arc-rated layers to achieve the required protection level.
(d) Outer Layers. Garments worn as outer layers over arc-rated clothing, such as
jackets, high-visibility apparel, or rainwear, shall also be made from arc-rated material.
(e) Under layers. Meltable fibers such as acetate, nylon, polyester, polypropylene,
and spandex shall not be permitted in fabric under layers. Arc-rated garments worn as under layers
that neither ignite nor melt and drip in the course of an exposure to electric arc and related thermal
hazard generally provide a higher system arc rating than non-melting flammable fiber under layers.
(f) Coverage. Clothing shall cover potentially exposed areas as completely as
possible. Shirt and coverall sleeves shall be fastened at the wrists, shirts shall be tucked into pants,
and shirts, coveralls, and jackets shall be closed at the neck.
(g) Fit. Tight-fitting clothing shall be avoided. Loose-fitting clothing provides
additional thermal insulation due to air spaces. Arc-rated apparel shall fit properly such that it does
not interfere with the work task.
(h) Interference. The garment selected shall result in the least interference with the task but
still provide the necessary protection. The work method, location, and task may influence the
protective equipment selected.

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Table III: Personal Protective Equipment (PPE)
Arc-Flash PPE
Category
1

2

3

4

PPE
Arc-Rated Clothing, Minimum Arc Rating of 4 cal/cm² (16.75 J/cm²)ª
Arc-rated long-sleeve shirt and pants or arc-rated coverall
Arc-rated face shieldᵇ or arc flash suit hood
Arc-rated jacket, parka, high-visibility apparel, rainwear, or hard hat liner (AN)ᶠ
Protective Equipment
Hard hat
Safety glasses or safety goggles (SR)
Hearing protection (ear canal inserts)ᶜ
Heavy-duty leather gloves, arc-rated gloves, or rubber insulating gloves with leather protectors (SR)ͩ
Leather footwearͤ (AN)
Arc-Rated Clothing, Minimum Arc Rating of 8 cal/cm² (33.5 J/cm²)
Arc-rated long-sleeve shirt and pants or arc-rated coverall
Arc-rated flash suit hood or arc-rated face shieldᵇ and arc-rated balaclava
Arc-rated jacket, parka, high-visibility apparel, rainwear, or hard hat liner (AN)ᶠ
Protective Equipment
Hard hat
Safety glasses or safety goggles (SR)
Hearing protection (ear canal inserts)ᶜ
Heavy-duty leather gloves, arc-rated gloves, or rubber insulating gloves with leather protectors (SR)ͩ
Leather footwearᶜ
Arc-Rated Clothing Selected so That the System Arc Rating Meets the Required Minimum Arc Rating of 40 cal/cm² (167.5 J/cm²)ª
Arc-rated long-sleeve shirt (AR)
Arc-rated pants (AR)
Arc-rated coverall (AR)
Arc-rated arc flash suit jacket (AR)
Arc-rated arc flash suit pants (AR)
Arc-rated arc flash suit hood
Arc-rated gloves or rubber insulating gloves with leather protectors (SR)ͩ
Arc-rated jacket, parka, high-visibility apparel, rainwear, or hard hat liner (AN)ᶠ
Protective Equipment
Hard hat
Safety glasses or goggles (SR)
Hearing protection (ear canal inserts)ᶜ
Leather footwearͤ
Arc-Rated Clothing Selected so That the System Arc Rating Meets the Required Minimum Arc Rating of 40 cal.cm² (167.5 J/cm²)ª
Arc-rated long-sleeve shirt (AR)
Arc-rated pants (AR)
Arc-rated coverall (AR)
Arc-rated arc flash suit jacket (AR)
Arc-rated arc flash suit pants (AR)
Arc-rated arc flash suit hood
Arc-rated gloves or rubber insulating gloves with leather protectors (SR)ͩ
Arc-rated jacket, parka, high-visibility apparel, rainwear, or hard hat liner (AN)ᶠ
Protective Equipment
Hard hat
Safety glasses or safety goggles (SR)
Hearing protection (ear canal inserts) ᶜ
Leather footwearͤ

AN: As needed (optional) AR: As required, SR: Selection Required.
ª Arc rating is defined is defined as the value attributed to materials that describes their performance to exposure to an electrical arc discharge.
ᵇFace shields are to have wrap-around guarding to protect not only the face but also the forehead, ears, and neck, or, alternately, an arc-rated arc
flash suit hood is required to be worn.
ᶜOther types of hearing protection are permitted to be used in lieu of or in addition to ear canal inserts provided they are worn under an arc-rated
arc flash suit hood.
ͩRubber insulating gloves with leather protectors provide arc flash protection in addition to shock protection. Higher class rubber insulating gloves
with leather protectors, due to their increased material thickness, provide increased arc flash protection.
ᶜFootwear other than leather or dielectric shall be permitted to be used provided it has been tested to demonstrate no ignition, melting, or dripping
at the minimum arc rating for the respective arc flash PPE category.
ͤThe arc rating of outer layers worn over arc-rated clothing as protection from the elements or for other safety purposes, and that are not used as
part of a layered system, shall not be required to be equal to or greater than the estimated incident energy exposure.

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(3) Arc Flash Protective Equipment.
(a) Arc Flash suits. Arc flash suit design shall permit easy and rapid removal by the wearer.
The entire flash suit, including the hood’s face shield, shall have an arc rating suitable for the arcflash exposure. When exterior air is supplied into the hood, the air hoses and pump housing shall
either be covered by arc-rated materials or constructed of non-melting and nonflammable materials.
(b) Face Protection. Face shields shall have an arc rating suitable for the arc flash exposure.
Face shields with a wrap-around guarding to protect the face, chin, forehead, ears and
neck area shall be used. Eye protection (safety glasses or goggles) shall always be worn under face
shields or hoods.
(c) Hand Protection. Heavy-duty gloves or arc-rated gloves shall be worn where required for
arc flash protection. Heavy-duty leather gloves are made entirely of leather with minimum thickness
of 0.03 in. (0.7 mm) are unlined or lined with nonflammable, non-melting fabrics. Heavy-duty
leather gloves have been shown to have an ATPV values in excess of 10 cal/cm² (41.9 J/cm²).
Where insulating rubber gloves are used for shock protection, leather protectors shall be worn over
the rubber gloves. The leather protectors worn over rubber insulating gloves provide additional arc
flash protection for the hands for arc flash protection exposure.
(d) Foot Protection. Leather footwear or dielectric footwear provide some arc flash protection
to the feet and shall be used in all exposures greater than 4 cal/cm² (16.75 J/cm²). Footwear other
than leather or dielectric shall be permitted to be used provided it has been tested to demonstrate no
ignition, melting, or dripping at the estimated incident energy exposure or the minimum arc rating for
the respective arc flash PPE category.
(4) Care and Maintenance of Arc-Rated Clothing and Arc-Rated Arc Flash Suits.
(a) Inspection. Arc-rated apparel shall be inspected before each use. Work clothing or arc
flash suits that are contaminated or damaged to the extent their protective qualities are impaired shall
not be used. Protective items that become contaminated with grease, oil, or flammable liquids or
combustible materials shall not be used.
(b) Manufacturer’s Instructions. The garment manufacturer’s instructions for care and
maintenance of arc-rated apparel shall be followed.
(c) Clothing Material Characteristics.
1 Melting. Clothing consisting of fabrics, zipper tapes, and findings from flammable
synthetic materials that melt at temperatures below 600°F, such as acetate, acrylic, polyester, nylon,
polyethylene, polypropylene, and spandex shall not be used. These materials melt as a result of arc
flash exposure conditions, form intimate contact with the skin, and aggravate the burn injury.

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2 Flammability. Non-arc-rated cotton, polyester-cotton blends, silk, rayon, wool,
nylon and nylon-cotton blends are flammable. Fabrics, zipper tapes, and findings made of these
materials can ignite and continue to burn on the body, resulting in serious burn injuries.
3 Clothing and Other Apparel Not Permitted. Clothing and other apparel (such as
hard hat liners and hair nets) made from materials that do not meet the requirements of paragraph
4(c) above regarding melting or made from materials that do not meet the flammability requirements,
shall not be permitted to be worn.
11. Other Protective Equipment.
a. Insulated Tools. Tools and handling equipment used within the restricted approach
boundary shall be insulated. Insulated tools shall be protected from damage to the insulating
material.
(1) Requirements for Insulated Tools.
(a) Insulated tools shall be rated for the voltages on which they are used.
(b) Insulated tools shall be designed and constructed for the environment to
which they are exposed and the manner in which they are used.
(c) Insulated tools and equipment shall be inspected before each use. The
inspection shall look for damage to the insulation or damage that can limit the tool from performing
its intended function or could increase the potential for an incident (e. g., damaged tip on a
screwdriver).
(2) Fuse or Fuseholder Handling Equipment. Fuse or fuse holder handling
equipment, insulated for the circuit voltage, shall be used to remove or install a fuse if the fuse
terminals are energized.
(3) Ropes and Handlines. Ropes and handlines used within the limited approach
boundary shall be nonconductive.
(4) Fiberglass-Reinforced Plastic Rods. Fiberglass-reinforced plastic rod and tube
used for live-line tools shall meet the requirements of ASTM F 711 and standards dealing with
electrical installation requirements.
(5) Portable Ladders. Portable ladders shall have nonconductive side rails if they are
when used within the limited approach boundary or where the employee or the ladder could contact
live exposed energized electrical conductors or circuit parts.

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b. Barriers. Exposed energized electrical conductors or circuit parts operating at 50 volts or
more shall be guarded by a barrier in accordance with paragraphs 11(a)(1) through 11(a)(5) to
prevent unintentional contact while an employee is working within the restricted approach boundary
of those conductors or circuit parts. Barriers shall be supported to remain in place and shall prevent
unintentional contact by a person, tool, or equipment.
(1) Rubber Insulating Equipment. Rubber insulating equipment used for protection
from unintentional contact with energized conductors or circuit parts shall be rated for the voltage
and shall meet the requirements of this Ordinance.
(2) Voltage Rated Plastic Guard Equipment. Plastic guard equipment for protection
of employees from accidental contact with live parts, or to protect the employee or energized
equipment or material from contact with ground, shall meet the requirements of the ASTM standards
given in Table V.
(3) Physical or Mechanical Barriers. Physical or mechanical (field fabricated) barriers
shall be installed no closer than the restricted approach distance given in Table I. While the barrier is
being installed, the restricted approach boundary distance specified in Table I shall be maintained, or
the energized conductors or circuit parts shall be placed in an electrically safe work condition.
a. Alerting Techniques.
(1) Safety Signs and Tags. Safety signs, safety symbols, or tags shall be used where
necessary to warn employees about electrical hazards that might endanger them. Such signs and tags
shall meet the requirements of Table IV.
(2) Barricades. Barricades shall be used in conjunction with safety signs where it is
necessary to prevent or limit employee access to work areas containing live parts. Conductive
barricades shall not be used where it might cause an electrical hazard. Barricades shall be placed no
closer than the limited approach boundary given in Table I.
(3)Attendants. If signs and barricades do not provide sufficient warning and
protection from electrical hazards, an attendant shall be stationed to warn and protect employees. The
primary duty and responsibility of an attendant providing manual signaling and alerting shall be to
keep unqualified employees outside a work area where the unqualified employee might be exposed
to electrical hazards. An attendant shall remain in the area as long as there is a potential for
employees to be exposed to the electrical hazards.
b. Standards for Other Protective Equipment. Other protective equipment required in this
section shall conform to the standards given in Table IV.

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12. Use of Specific Safety-Related Equipment and Work Practices.
a. Test Instruments and Equipment Use. Only qualified persons shall perform testing work on
electric circuits or equipment.
b. Visual Inspection. Test instruments and equipment and all associated test leads, cables,
power cords, probes, and connectors shall be visually inspected for external defects and damage
before the equipment is used. If there is a defect or evidence of damage that might expose an
employee to injury, the defective or damaged item shall be removed from service, and no employee
shall use it until repairs and tests necessary to render the equipment safe have been made.
c. Rating of Equipment. Test instruments and equipment and their accessories shall be rated
for the circuits and equipment to which they will be connected and shall be designed for the
environment in which they will be used.
d. Energizing and De-energizing Electrical Power Circuits.
(1) Routine Opening and Closing of Circuits. Load-rated switches, circuit breakers,
or other devices specifically designed as disconnecting means shall be used for the opening,
reversing, or closing of circuits under load conditions. Cable connectors not of the load-break type,
fuses, terminal lugs, and cable splice connections shall not be permitted to be used for such purposes,
except in an emergency.

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Table IV: Standards on Other Protective Equipment
Subject
Arc Protective Blankets
Arc Protective Blankets –
Selection Care, and Use
Blankets
Blankets – In-Service Care
Covers
Fiberglass Rods – Live Line
Tools
Insulated Hand Tools
Ladders

Line Hose
Line Hose and Covers – InService Care
Plastic Guard
Sheeting
Safety signs and tags
Shield Performance on Live
Line Tool
Temporary Protective
Grounds – In-Service Testing
Temporary Protective
Grounds – Test Specification

Number and Title
ASTM F2676, Standard Test Method for Determining the Protective Performance of an Arc
Protective Blanket for Electric Arc Hazards
ASTM F3272, Standard Guide for Selection, Care, and Use of Arc Protective Blankets
ASTM D1048, Standard Specification for Rubber Insulating Blankets
ASTM F479, Standard Specification for In-Service Care of Insulating Blankets
ASTM D1049, Standard Specification for Rubber Insulating Covers
ASTM F711, Standard Specification for Fiberglass-Reinforced Plastic (FRP) Rod and Tube Used
in Live Line Tools
ASTM F1505, Standard Specification for Insulated and Insulating Hand Tools
ANSI ASC A14.1, American National Standard for Ladders – Wood -Safety Requirements
ANSI ASC A14.3, American National Standard for Ladders – Fixed - Safety Requirements
ANSI ASC A14.4, American National Standard Safety Requirements for Job-Made Ladders
ANSI ASC A14.5, American National Standard for Ladders – Portable Reinforced Plastic - Safety
Requirements
ASTM D1050, Standard Specification for Rubber Insulating Line Hoses
ASTM F478, Standard Specification for In-Service Care of Insulating Line Hose and Covers
ASTM F712, Standard Test Methods and Specifications for Electrically Insulating Plastic Guard
Equipment for Protection of Workers
ASTM F1742, Standard Specification for PVC Insulating Sheeting
ASTM F2320, Standard Specification for Rubber Insulating Sheeting
ANSI Z535, Series of Standards for Safety Signs and Tags
ASTM F2522, Standard Test Method for Determining the Protective Performance of a Shield
Attached on Live Line Tools or on Racking Rods for Electric Arc Hazards
ASTM F2249, Standard Specification for In-Service Test Methods for Temporary Grounding
Jumper Assemblies Used on De-energized Electric Power Lines and Equipment
ASTM F855, Standard Specification for Temporary Protective Grounds to Be Used on Deenergized Electric Power Lines and Equipment

ASTM – American Society for Testing and Materials
ANSI ASC – American National Standards Institute

(2) Reclosing Circuits after Protective Device Operation. After a circuit is deenergized by the operation of a circuit protective device, the circuit shall not be manually reenergized until it has been determined that the equipment and circuit can be safely energized. The
repetitive manual reclosing of circuit breakers or re-energizing circuits through replaced fuses is shall
be prohibited. When it is determined from the design of the circuit and the overcurrent devices
involved that the automatic operation of a device was caused by an overload rather than a fault
condition, examination of the circuit or connected equipment shall not be required before the circuit
is re-energized.
e. Portable Electric Equipment. This section applies to the use of cord and plug connected
equipment, including flexible cord sets (extension cords).

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(1) Handling. Portable equipment shall be handled in a manner that will not cause
damage. Flexible electric cords connected to equipment shall not be used for raising or lowering the
equipment. Flexible cords shall not be fastened with staples or hung in such a fashion as could
damage the outer jacket or insulation.
(2) Grounding Type Equipment.
(a) A flexible cord used with grounding type equipment shall contain an
equipment grounding conductor
(b) Attachment plugs and receptacles shall not be connected or altered in a
manner that would prevent proper continuity of the equipment grounding conductor at the point
where plugs are attached to receptacles. Additionally, these devices shall not be altered to allow the
grounding pole of a plug to be inserted into slots intended for connection to the current-carrying
conductors.
(c) Adapters that interrupt the continuity of the equipment grounding
conductor shall not be used.
(3) Visual Inspection of Portable Cord and Plug Connected Equipment and Flexible
Cord Sets.
(a) Frequency of Inspection. Before use on any shift, portable cord and plug
connected equipment shall be visually inspected for external defects (such as loose parts, deformed
and missing pins, or damage to outer jacket or insulation) and for evidence of possible internal
damage (such as pinched or crushed outer jacket). An exception is that cord- and plug-connected
equipment and flexible cord sets (extension cords) that remain connected once they are put in place
and are not exposed to damage shall not be required to be visually inspected until they are relocated.
(b) Defective Equipment. If there is a defect or evidence of damage that
might expose an employee to injury, the defective or damaged item shall be removed from service,
and no employee shall use it until repairs and tests necessary to render the equipment safe have been
made.
(c) Proper Mating. When an attachment plug is to be connected to a
receptacle (including on a cord set), the relationship of the plug and receptacle contacts shall first be
checked to ensure that they are of mating configurations.
(4) Conductive Work Locations. Portable electric equipment used in highly
conductive work locations (such as those inundated with water or other liquids) or in job locations
where employees are likely to contact water or conductive liquids, shall be approved for those

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locations. In job locations where employees are likely to contact or be drenched with water or
conductive liquids, ground-fault circuit-interrupter protection for personnel shall also be followed.
(5) Connecting Attachment Plugs.
(a) Employees’ hands shall not be wet when plugging and unplugging
flexible cords and cord and plug equipment, if energized equipment is involved.
(b) Energized plug and receptacle connection shall be handled only with
insulating protective equipment if the condition of the connection provides a conductive path to the
employee’s hand (if, for example, a cord connector is wet from being immersed in water).
(c) Locking-type connectors shall be installed after connection.
13. Administration and Enforcement. See Section 12 of the Occupational Safety and Health
Program Act.
______________________________________________________________________________
Legislative History:
01/09/02
05/20/02
09/29/22
12/06/22

Legislature posts for 45-day Public Review.
Enacted as Electrical Safety (6 HCC § 8-4) by Legislative Resolution 5/20/02E.
Legislature posts for 45-Day Review.
Enacted as Electrical Safety (6 HCC § 8-4) by Legislative Resolution 12-06-22E.

26

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Source: Frix Law Library, https://www.frixlaw.com/law-library/documents/tribal%3Aho-chunk%3Acd40ee88c2074671. Public record. Not legal advice.