View all text of Subpart 111.05 [§ 111.05-1 - § 111.05-37]
§ 111.05-37 - Overcurrent devices.
(a) A permanently grounded conductor must not have an overcurrent device unless the overcurrent device simultaneously opens each ungrounded conductor of the circuit.
(b) The neutral conductor of the emergency-main switchboard bus-tie must not have a switch or circuit breaker.