Ground fault circuit interrupters (GFCI) and arc fault circuit interrupters ... When it comes to electrical safety, knowing ...

GFCI outlets ahead ... arcs inherent in certain electrical applications (like a light switch), and abnormal ones caused by a worn wire. Arc-fault circuit interrupter. Just like a GFCI, AFCI ...

Because multiple outlets in a room can be connected to the same circuit, a non-functioning GFCI outlet could cause issues with nearby outlets as well. Understanding how the internal wiring is laid ...