Wall sockets in your home come in all shapes and forms. Some electrical outlets have a T-shaped hole to indicate that they're rated at 20A, while others feature USB ports to make charging your ...

While standard receptacles typically use three wires -- hot, neutral and ground -- you'll occasionally find 2-prong outlets in older homes. Since this type of outlet lacks a ground connection, the ...

All questions and answers are based on the 2011 NEC. Q. Are outdoor receptacles at a dwelling unit required to be tamper-resistant? A. Yes. According to 406.12, all non-locking type 15A and 20A, 125V ...