# WAC 296-46B-220: WAC 296-46B-220. Branch circuit, feeder, and service calculations

> Washington · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_220

## Section

- **Citation:** WAC 296-46B-220
- **Heading:** WAC 296-46B-220. Branch circuit, feeder, and service calculations
- **Jurisdiction:** Washington
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Washington Administrative Code / Title 296 / Chapter 296-46B / Section 296-46B-220

## Text

042 Lighting load calculations.
In determining feeder and service entrance conductor sizes and equipment ratings, a building that is designed and constructed to comply with the currently adopted Washington state energy code unit lighting power allowance table and footnotes may be used in lieu of NEC 220.42. The requirements of NEC 220.42(B), items 1, 2, and 3 do not apply.

## Nearby sections

- [WAC 296-46B-010 WAC 296-46B-010. General](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_010.md)
- [WAC 296-46B-100 WAC 296-46B-100. General definitions](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_100.md)
- [WAC 296-46B-110 WAC 296-46B-110. General requirements for electrical installations](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_110.md)
- [WAC 296-46B-210 WAC 296-46B-210. Branch circuits not over 1,000 volts ac, 1,500 volts dc nominal](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_210.md)
- [WAC 296-46B-215 WAC 296-46B-215. Feeders](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_215.md)
- [WAC 296-46B-220 WAC 296-46B-220. Branch circuit, feeder, and service calculations](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_220.md)
- [WAC 296-46B-225 WAC 296-46B-225. Outside branch circuits and feeders](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_225.md)
- [WAC 296-46B-230 WAC 296-46B-230. Services](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_230.md)
- [WAC 296-46B-235 WAC 296-46B-235. Branch circuits, feeders, and services over 1,000 volts ac, 1,500 volts dc nominal](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_235.md)
- [WAC 296-46B-240 WAC 296-46B-240. Overcurrent protection](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_240.md)
- [WAC 296-46B-250 WAC 296-46B-250. Grounding and bonding](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_250.md)
- [WAC 296-46B-300 WAC 296-46B-300. General requirements for wiring methods and materials](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_300.md)
- [WAC 296-46B-314 WAC 296-46B-314. Outlet, device, pull, and junction boxes; conduit bodies; fittings; and handhole enclosures](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_314.md)
- [WAC 296-46B-334 WAC 296-46B-334. Nonmetallic-sheathed cable](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_334.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_296_46B_220. Check the current official text before relying on it. Not legal advice.