Per 2014 NEC Article 100, short circuit current rating (SCCR) is defined as: “The prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected ...

What you don’t know about circuit breaker markings can trip you up. Most of us pay little attention to markings on circuit breakers. Yet, these markings can be the difference between a safe ...

Underlined text denotes a 2017 NEC change. A. The standard ratings in amperes for fuses and inverse time breakers are shown in Table 240.6(A). The use of fuses and inverse time circuit breakers with ...

Dynamic Ratings’ new Breaker Performance Monitor (BPM) is a comprehensive circuit breaker monitoring solution for utilities. With high-speed waveform capture, the BPM combines offline and online ...

Master Distributors now offers the Guard Family of circuit breakers. Master Distributors now offers the Guard Family of circuit breakers. Featuring an electronic chip plus magnetic control, the Guard ...