What is a Class A GFCI?
GFCI device class A. It is specified that a class A. GFCI travels when the terrestrial current has an a. value in the range of 4 milliampers to 6 milliampers, and refers to UL 943, the safety standard for Earth failure disruptors.
FREE Virtual Home Repair
We'll diagnose your issue over call or video and virtually walk you through the repair — all for free if you're a new customer! .