Testing a circuit breaker is about judging reliability under fault conditions, not just checking continuity or voltage. A ...

At one time, it was common in many production facilities for the typical maintenance electrician to walk the floor with just a screwdriver and adjustable pliers in his back pocket. That transitioned ...

A version of Part 1 appeared in the Dec. 2011/Jan. 2012 issue of Test & Measurement World. See the PDF. In January 1979, Electronic Test published an article claiming that a single test circuit that ...