(Click diagram below to enlarge ... Although houses today often have circuit breakers instead of fuses, fuses are still around. A fuse contains a thin strip of wire, somewhat like the thin steel wire ...

Impulse relay turns on with an electrical impulse at the control input and turns off again with another impulse.

Understanding diagnostic testing of HV Circuit Breakers is essential. When diagnostic tests are performed on HV Circuit Breakers, valuable information can be extracted. From a technical maintenance ...

This article is the first in a series of articles that will help to bring light to the maintenance practices presently applied to power circuit breakers. A list of the most popular tests used; with ...

These long-standing safety devices may seem inconvenient when used incorrectly, but they're designed to save lives.