Where flammable materials are present only occasionally, electric equipment capable of igniting them must 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.
Note: | Electrical installation requirements for locations where flammable materials are present on a regular basis are contained in WAC 296-307-372. |
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 20-21-091, § 296-307-37825, filed 10/20/20, effective 11/20/20. Statutory Authority: RCW
49.17.040. WSR 98-24-096, § 296-307-37825, filed 12/1/98, effective 3/1/99. WSR 97-09-013, recodified as § 296-307-37825, 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-37825, filed 10/31/96, effective 12/1/96.]