Circuit breakers shall be capable of being closed and opened by manual operation. Operation by other means, such as electrical or pneumatic, shall be permitted if means for _____ operation are also provided. a) automated b) timed c) manual d) shunt trip See answer and applicable Code reference The correct answer is: c) manual The rules for overcurrent protection can be found in Article 240 of the 2011 NEC. Part VII of this Article covers circuit breakers. As noted in Sec. 240.80, ...
Website Registration Required to Access this Content
Only registered users have access to Silver content.
Registration on EC&M allows you exclusive access to high value content centered around proprietary research, expert NEC analysis and in-depth technical procedures.