Ground-Fault Circuit Interrupter (GFCI)

What is a Ground-Fault Circuit Interrupter?

A ground-fault circuit interrupter (GFCI) is a circuit breaker. When electric current leaks, it has a “ground-fault.” Ground-Fault Circuit Interrupters protect from severe and fatal electric shocks. GFCIs detect ground faults, and interrupt the electric current to prevent electrical fires, retard fire progression, and eliminate severe electric shock. Below is OSHA’s definition of a ground fault circuit interrupter.

“The ground-fault circuit interrupter, or GFCI, is a fast-acting circuit breaker designed to shut off electric power in the event of a ground-fault within as little as 1/40 of a second. It works by comparing the amount of current going to and returning from equipment along the circuit conductors. When the amount going differs from the amount returning by approximately 5 milliamperes, the GFCI interrupts the current.”

Built-In Inline GFCIs

Extension cords with built-in inline GFCIs or GFCI adapters are important safety devices. Why risk the safety of yourself and your crew? Always ensure the safety of you and your team with built-in GFCI heavy-duty extension cords and GFCI adapters. Take preventative measures and use a GFCI device.

Built-In Inline GFCI Triple-Tap Extension Cord
Built-In Inline GFCI Triple-Tap Extension Cord

Benefits of GFCIs

If an extension cord is worn out and damaged, it could cause a GFCI to trip, and activate. If insulation is worn out and damaged, this can cause more leaks and hazards. GFCIs protect from physical harm due to leakage, and save money and time by avoiding penalties and fines.

The U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) has cited AB Specialty Silicones LLC for 12 willful federal safety violations. Four employees suffered fatal injuries in an explosion and fire at the company’s Waukegan, Ill., plant on May 3, 2019. The company faces $1,591,176 in penalties categorized by the lack of ground-fault circuit interrupters. OSHA has placed the silicon chemical products manufacturer in the Severe Violator Enforcement Program.

Inline GFCI heavy-duty extension cords are a “MUST HAVE” for contractors where safety and compliance are paramount concern. JHL manufactures the highest-quality GFCI extension cords. JHL cords meet and exceed UL, OSHA, NEMA, AWG, CSA, and RoHs specifications and requirements.


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