Protection provided against combustible materials.
Parts of electric equipment that in ordinary operation produce arcs, sparks, flames, or molten metal must be enclosed or separated and isolated from all combustible material.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 20-21-091, § 296-307-36218, filed 10/20/20, effective 11/20/20. WSR 97-09-013, recodified as § 296-307-36218, 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-36218, filed 10/31/96, effective 12/1/96.]