Current through Register Vol. 54, No. 50, December 14, 2024
Section 39.85 - General requirementsRooms or spaces in which electrical supply equipment is installed shall comply with the following requirements:
(1) No room or space in which electrical supply equipment is installed shall be used for the storage of material or for manufacturing processes causing hazard to electrical operators, except those materials or processes attendant upon the production or distribution of a supply of electrical energy.(2) They shall be free from flyings and inflammable gas, except for battery rooms. Reference should be made to §§ 39.121-39.127 (relating to storage batteries). Indoor stations should be dry and well ventilated.(3) In outdoor stations or stations in wet tunnels or subways live parts of equipment shall be enclosed in weatherproof cases, unless the equipment is suitably designed to withstand the prevailing atmospheric conditions and the live parts are suitably guarded against contacts, or isolated by elevation. Ungrounded conductors not in conduit shall be on suitable insulators, properly guarded or isolated by elevation. This section cited in 34 Pa. Code § 39.81 (relating to applicability); 34 Pa. Code § 39.82 (relating to scope); 34 Pa. Code § 39.83 (relating to modification or waiver of provisions); and 34 Pa. Code § 39.192 (relating to scope).