Do you know the facts about circuit protection, or have you just been relying on what you hear around the shop? As an electrical contractor, system designer, plant electrician, or electrical inspector ...

Generally, the Art. 210 requirements for branch circuits are prerequisites for applying requirements found elsewhere. This fact is exemplified by the overcurrent protection requirements [Sec. 210.20].

The usual way of preventing a small motor from drawing too much current is to install overcurrent protection in the form of a circuit breaker or some other kind of limiter. But installations that ...