34 Pa. Code § 39.278
Current through Register Vol. 54, No. 45, November 9, 2024
A suitable device shall be provided by which each arc lamp or other device of series circuits may be safely and entirely disconnected from the circuit before it is handled, unless the lamps are accessible only to properly qualified persons, worked on only from suitable insulating stools, platforms or tower wagons, and treated always as under the full voltage of the circuit concerned.
34 Pa. Code § 39.278