WACs > Title 296 > Chapter 296-155 > Section 296-155-434
No agency filings affecting this section since 2003
Environmental deterioration of equipment.
(1) Deteriorating agents.
(a) Unless identified for use in the operating environment, no conductors or equipment shall be located:
(i) In damp or wet locations;
(ii) Where exposed to gases, fumes, vapors, liquids, or other agents having a deteriorating effect on the conductors or equipment; or
(iii) Where exposed to excessive temperatures.
(b) Control equipment, utilization equipment, and busways approved for use in dry locations only shall be protected against damage from the weather during building construction.
(2) Protection against corrosion. Metal raceways, cable armor, boxes, cable sheathing, cabinets, elbows, couplings, fittings, supports, and support hardware shall be of materials appropriate for the environment in which they are to be installed.
[Statutory Authority: Chapter 49.17 RCW. WSR 88-11-021 (Order 88-04), Â§ 296-155-434, filed 5/11/88.]