Distribution transformers must adhere to NEC and NFPA 70 standards, with specific requirements for overcurrent protection, ...

What is ground-fault protection? The answer depends on whether you are talking about ground-fault protection of equipment or ground-fault protection of people. Just because ground-fault protection is ...

Ground fault protection is a cornerstone in ensuring the safety and operational reliability of modern power systems. Ground faults, which occur when an unintended electrical path connects a live ...

Grounding, also known as earthing, is when you stand on the earth or have contact with a product that’s grounded into the earth. This is thought to connect your body to the natural electric charge of ...

Surge protection for an electrical panel controls how transient voltages enter and spread through branch circuits inside the panel, limiting internal equipment damage when external or switching surges ...

ALEXANDRIA, VA.—In this final installment of a series of articles aimed at helping broadcasters protect their installations from powerline and lightning-induced surges, we focus on the importance of ...

Most homeowners think of grounding as a technical detail that only matters to electricians, yet it quietly decides whether a ...