The circuit breaker is one of the most important but least understood parts of your home electrical system, keeping you safe from electrical fires. Appliance Science looks at how they work.

Everything you need to know about the point of entry for a home's electricity, from an electric panel breakdown to how to hook solar panels into your home's power system.

Test connections for the DC overpotential test are given in Table 1 (right), which will provide a test of all possible leakage paths in the circuit breaker. Table 100.19 from ANSI/NETA MTS-2011 ...

We asked an expert to explain all the problems that can cause tripped circuits, how to check your circuit breaker, and when to call a professional.

Q: We are selling our house, and the new buyers had a home inspector check it out. One of the items he found was in the main electrical panel. He said there are two wires attached to one breaker ...

The Ekip Power Controller, exclusive to ABB, is available for Emax 2 circuit breakers for any application where control of power usage is needed.