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

The most effective tool in electrical safety is knowledge — not only knowledge of the hazards but also knowledge of how to protect ourselves and others from those hazards. Throughout my career, I have ...

Ground Fault Circuit Interrupter outlets quietly guard the most dangerous spots in your home, cutting power in a fraction of ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

A circuit breaker that trips repeatedly is often assumed to be defective, but that assumption is frequently wrong. Breakers respond to conditions downstream, and replacing one without understanding ...