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 ...

Reviewing a typical protective device trip curve (click here to see Fig. 2), it can be divided into three regions. First is the “instantaneous region,” which is the region intended to interrupt ...

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 ...

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

As more and more employers perform arc flash assessments of their facilities to keep workers safe and meet OSHA and NFPA 70E requirements, they usually discover that they have a lot of dangerous ...

Created to protect personnel from electric shock, GFCI-type operations now help protect equipment as well. • Ground-fault sensing now protects equipment as well as personnel. • The magnitude of ...

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

Residential electrical branch circuit breakers incorporate electronic and electrical technology in Arc Fault Circuit Interrupters that can turn off power to prevent fires if arcing occurs. This ...