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

Do you know what OSHA has to say about electrical safety testing requirements on jobsites? In the rugged construction site environment flexible cords that supply portable tools and appliances are all ...

Key Takeaways Upgrading your electrical panel prepares your home for modern appliances and reduces fire hazards. Installing Ground Fault Circuit Interrupters (GFCIs) in wet areas prevents ...

This answer is based on the 2017 NEC. A. Ground-fault protection of equipment is required for 277/480V service disconnects rated 1,000A or more. The rating of the ...

The methods of protecting electronics from circuitry failures and managing inrush current at power on has evolved significantly from a simple fuse and maybe a P-channel FET to much more sophisticated ...

Complex grids depend on equipment such as transformers, protection relays, switchgear, and cables—each of which can develop faults not immediately visible during normal operation. As a result, ...

You might think that with all our modern technology and safety awareness, homes would have safe electrical systems by now.

Electrician in Decatur Releases Safety Advisory as Heating Season Strains Aging Electrical Systems DECATUR, GA, UNITED ...

Power systems today operate in an environment where reliability and safety must be maintained despite rising loads, expanding ...

Electrical standards for PV systems: In part one of this series we looked at the background and scope of the U.S. National Electrical Code (NEC). We continued with a survey of 2011 NEC coverage of ...