One of the standard things home inspectors look at while inspecting an electrical panel is comparing wire sizes to circuit breakers sizes. When a wire is too small for a circuit breaker, you have a ...

Tandem breakers split a single-pole breaker slot into two 15—or 20-amp breakers, with two switches each controlling a ...

Management and maintenance personnel at power generating facilities face the same challenges operating their plant’s electrical distribution system as other large industrial plants-shrinking resources ...

If a motor isn't adequately protected, a short circuit will likely result in premature replacement. Then there's the problem of nuisance tripping upon initial start-up because the magnetic setting of ...

During a routine generator test at a hospital, the results revealed the need to reset the hospital’s molded-case circuit breakers (MCCBs) to the correct value per a coordination study. One of the ...

Siemens has launched a refined medium-voltage circuit-breaker. The 3AH4 vacuum circuit-breakers have an operating current of 4000 A for the 36-kV voltage level. It is the first vacuum circuit-breaker ...