29 CFR 1926.432 - Environmental deterioration of equipment.
(1) Unless identified for use in the operating environment, no conductors or equipment shall be located:
(ii) Where exposed to gases, fumes, vapors, liquids, or other agents having a deteriorating effect on the conductors or equipment; or
(2) Control equipment, utilization equipment, and busways approved for use in dry locations only shall be protected against damage from the weather during building construction.
Title 29 published on 2014-07-01
no entries appear in the Federal Register after this date.