What Are Arch Circuit Breakers?

Answer An arch circuit breaker is an arc-fault circuit interrupter or AFCI. AFCI circuit breakers are specially designed to prevent arc flashes as a result of the occurrence of an electrical arc within a ... Read More »

Top Q&A For: What Are Arch Circuit Breakers

How to Determine when to Use Arc Fault Circuit Interrupters (Af Circuit Breakers)?

AFCI or "Arc Fault Circuit Interrupters" are the latest in electrical safety devices for dwellings. AFCI standards were introduced in the 1999 NEC (National Electrical Code) and are required in new... Read More »

How many circuit breakers are in a circuit breaker panel?

The number of circuit breakers in a circuit breaker panel is determined by the expected need of all appliances and outlets in the house. It is recommended that more breakers be installed than you'... Read More »

What are miniature circuit breakers?

A miniature circuit breaker, often abbreviated MCB, is a device that protects electrical circuits.FunctionMCBs prevent too much current from flowing through electrical wiring by tripping, which mea... Read More »

What is miniature circuit breakers?

I believe it's 49 inches.But you should double check first.