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WAC 296-155-432

Maintenance of equipment.

You must ensure that all wiring components and utilization equipment in hazardous locations are maintained in a dust-tight, dust-ignition-proof, or explosion-proof condition, as appropriate. There must be no loose or missing screws, gaskets, threaded connections, seals, or other impairments to a tight condition.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 16-09-085, § 296-155-432, filed 4/19/16, effective 5/20/16. Statutory Authority: Chapter 49.17 RCW. WSR 88-11-021 (Order 88-04), § 296-155-432, filed 5/11/88.]
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