Elevator Disconnecting Means Requirements

Each elevator shall have a means for disconnecting all ungrounded main power-supply conductors for each unit, _____.

a) excluding the emergency power system
b) including the emergency or standby power system
c) excluding the emergency power system if it is automatic
d) and the power supply may not be an emergency power system

See answer and applicable Code reference

The correct answer is: b) including the emerge

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