A GFCI is only as good as its installation and inspection. A ground-fault circuit interrupter (GFCI) is the only protection device designed to protect people against electric shock from an electrical ...

Q: I understand GFCI (ground fault circuit interrupter) wiring is done for safety of the occupant/homeowner and is construction code. I recently purchased a brand new home and moved in the early part ...

Thank you for visiting one of our most popular classic articles. If you’d like to see updated information on this topic, please check out this recently published article, Recent Rule Changes for GFCI ...

Q. My home inspector advised me to install GFCI outlets in my home for added electrical safety, but I'm wondering if this is required for an older home. What are the requirements for a house built in ...

There are 15 standardized types of domestic electrical outlet plugs in use worldwide. The standard North American outlet, for example, has two vertical slots and a round hole beneath them for ...

A friend who was buying an older house was concerned about electrical safety and asked for my opinion as an electrical engineer. All of the AC receptacles (also called outlets) in the house were the ...

Q: You talked about a ground fault circuit interrupter and that it’s necessary in different places in the home. My home was built in the 1950s, and I don’t have ...