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 ...

Telecommunications operations depend on electrical testing for uptime and profitability. Testing is a critical part of building and operating a telecommunications facility. But who should perform the ...

Protective relay testing verifies that installed relays will trip correctly under real fault conditions, confirming settings, ...

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 ...

To manage the challenges of today’s complex electrical power systems and tightening budgets, facility managers need to understand the critical connection between electrical commissioning and ...

Counterfeit electronic components are an increasing threat to the supply chain for consumer, industrial and, more importantly, military parts. Some counterfeit parts are like counterfeit money, ...

Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess the integrity of insulation in motors, cables, transformers, and other ...