Current through Register Vol. 55, No. 1, January 4, 2025
Section 39.156 - Cut-outs(a) Circuit leads to motors, transformers, or station auxiliaries shall be protected by suitable automatic cut-outs, except as noted in § 39.141 (relating to electrical protection from conductors).(b) If two or more pieces of electrical supply equipment or supply lines are operated as a single unit no automatic cut-out is necessary between them.