(Effective until July 1, 2023)
Section C405.2—Electrical power and lighting systems.
C405.2 Lighting controls. Lighting systems shall be provided with controls that comply with one of the following:
1. Lighting controls as specified in Sections C405.2.1 through C405.2.7.
2. Luminaire level lighting controls ( LLLC) and lighting controls as specified in Sections C405.2.1, C405.2.3 and C405.2.5. The LLLC luminaire shall be independently configured to:
2.1. Monitor occupant activity to brighten or dim lighting when occupied or unoccupied, respectively.
2.2. Monitor ambient light, both electric and daylight, and brighten or dim artificial light to maintain desired light level.
2.3. For each control strategy, configuration and reconfiguration of performance parameters including: Bright and dim setpoints, timeouts, dimming fade rates, sensor sensitivity adjustments, and wireless zoning configuration.
EXCEPTION: | Except for specific application controls required by Section C405.2.5, lighting controls are not required for the following: |
| 1. Areas designated as security or emergency areas that are required to be continuously lighted. |
| 2. Means of egress illumination serving the exit access that does not exceed 0.02 watts per square foot of building area. |
| 3. Emergency egress lighting that is normally off. |
| 4. Industrial or manufacturing process areas, as may be required for production and safety. |
[Statutory Authority: RCW
19.27A.025,
19.27A.045 and chapter
19.27 RCW. WSR 20-21-080, § 51-11C-40502, filed 10/19/20, effective 2/1/21. Statutory Authority: RCW
19.27A.020,
19.27A.025,
19.27A.160 and chapter
19.27 RCW. WSR 19-24-040, § 51-11C-40502, filed 11/26/19, effective 7/1/20. Statutory Authority: RCW
19.27A.025,
19.27A.160, and
19.27.074. WSR 16-03-072, § 51-11C-40502, filed 1/19/16, effective 7/1/16. Statutory Authority: RCW
19.27A.020,
19.27A.025 and chapters
19.27 and
34.05 RCW. WSR 13-04-056, § 51-11C-40502, filed 2/1/13, effective 7/1/13.]
(Effective July 1, 2023)
Section C405.2—Electrical power and lighting systems.
C405.2 Lighting controls. Lighting systems shall be provided with controls that comply with one of the following:
1. Lighting controls as specified in Sections C405.2.1 through C405.2.10.
2. Luminaire-level lighting controls (LLLC) as specified in Section C405.2.8.1.
EXCEPTION: | Except for specific application controls required by Section C405.2.6, lighting controls are not required for the following: |
| 1. Areas designated as security or emergency areas that are required to be continuously lighted. |
| 2. Means of egress illumination serving the exit access that does not exceed 0.01 watts per square foot of building area. |
| 3. Emergency egress lighting that is normally off. |
| 4. Industrial or manufacturing process areas, as may be required for production and safety. |
[Statutory Authority: RCW
19.27A.020,
19.27A.025,
19.27A.160 and chapters
19.27A and
19.27 RCW. WSR 22-14-091, § 51-11C-40502, filed 7/1/22, effective 7/1/23. Statutory Authority: RCW
19.27A.025,
19.27A.045 and chapter
19.27 RCW. WSR 20-21-080, § 51-11C-40502, filed 10/19/20, effective 2/1/21. Statutory Authority: RCW
19.27A.020,
19.27A.025,
19.27A.160 and chapter
19.27 RCW. WSR 19-24-040, § 51-11C-40502, filed 11/26/19, effective 7/1/20. Statutory Authority: RCW
19.27A.025,
19.27A.160, and
19.27.074. WSR 16-03-072, § 51-11C-40502, filed 1/19/16, effective 7/1/16. Statutory Authority: RCW
19.27A.020,
19.27A.025 and chapters
19.27 and
34.05 RCW. WSR 13-04-056, § 51-11C-40502, filed 2/1/13, effective 7/1/13.]