Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

A 240-volt service powers heavy-duty appliances like ovens, air conditioners, water heaters and electric dryers. If something goes wrong in that panel, it may cause those systems to fail, damage the ...

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 ...

THE Electrical Research Association has recently reported an interesting development which has taken place in connexion with its programme of research on gas blast circuit breakers. Normally the ...

To make something work using electricity there needs to be an electrical circuit; a circuit is a complete loop that electricity can move around. Electricity moves from the power source (the battery or ...

Circuit breakers are designed to keep you and your family safe from fire, but one brand of breaker might not only fail to protect your family – it could actually cause a fire. “There’s thousands of ...

Q. What type of circuit breaker does the Code allow to be used for switching duty of lighting circuits? A. Circuit breakers used to switch 120V or 277V fluorescent lighting circuits must be listed and ...