Part VII of Article 230 provides the requirements for overcurrent protection of service equipment. Here are some highlights from this part of the NEC that are worth reviewing. You must provide an overcurrent protection device (OCPD) in series with each ungrounded service conductor. Its rating or setting can’t exceed the ampacity of the protected conductor [230.90]. Of the five exceptions, perhaps the most critical is that for fire pumps. The fire pump OCPD must comply with 695.4; ...

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.

Already registered? here.