The amount of time the trip takes (less than one second, two seconds, or five seconds) indicates the type of fault the ...

but the thermal breaker will still catch the problem and break the circuit. Most modern houses will be fitted with a type of breaker called a combination arc fault interrupter (CAFI). In addition ...

A typical coordination table may indicate that a type QO breaker rated 20A (L) would coordinate with a type LA 200A circuit breaker (G), set to its maximum instantaneous trip of approximately 1,600A, ...

In the electrical profession, questions still arise about what type of circuit breaker to use with surge protectors. Don't make this task more difficult than it has to be. Choosing the right device is ...

Millions of U.S. and Canadian homes were built with circuit breaker panels that one expert ... urging homeowners to replace ­all Stab-Lok-type panels and breakers. Electrical engineer Jesse ...