Electrical Safety: GFCI 101 Bill’s Quality Electric, LLC shares electrical safety and shock prevention tips with a special focus on the electrical device, the Ground Fault Circuit Interruptor (GFCI). Tips include what GFCIs are, how they work, what types are available, where they should be installed, how often they should be tested, and how they are different from AFCIs. When it comes to shock prevention, GFCIs are your electrical best friend. You want to know all you can about this device, so get educated! Stay Electrically Safe and Smart in your home by prevention of electrical shock! Special Thanks to SafeElectricity.org for their article, Ground Fault Circuit Interruptors (GFCIs).