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PDFWAC 296-307-37406

Emergency power systems.

This section applies to circuits, systems, and equipment intended to supply power for illumination and special loads, in the event of failure of the normal supply.
(1) Emergency circuit wiring must be kept entirely independent of all other wiring and equipment and must not enter the same raceway, cable, box, or cabinet as other wiring.
This does not apply where common circuit elements suitable for the purpose are required, or for transferring power from the normal to the emergency source.
(2) Where emergency lighting is necessary, the system must be arranged so that the failure of any individual lighting element, such as a burned out light bulb, cannot leave any space in total darkness.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 20-21-091, § 296-307-37406, filed 10/20/20, effective 11/20/20. WSR 97-09-013, recodified as § 296-307-37406, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. WSR 96-22-048, § 296-306A-37406, filed 10/31/96, effective 12/1/96.]
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