7 Wire Outlet
A wire coming loose from an outlet can create a serious fire or shock hazard.
7 wire outlet. This wiring is commonly used in a 20 amp kitchen circuit where two appliance feeds are needed such as for a refrigerator and a microwave in the same location. When you wire a single outlet to a live circuit cable you connect the black wire to one of the brass screws usually the top one but it doesn t matter and the white wire to one of the chrome screws. In attempting to replace an outlet in one of the bedrooms we discovered that instead of the standard two hot and two neutral plus one ground we discovered six wires plus a ground. Wiring diagram for dual outlets.
The 15 a 7 15 plug has the crowsfoot current carrying pins of the type i plug but with a u shaped earth pin. Here 3 wire cable is run from a double pole circuit breaker providing an independent 120 volts to two sets of multiple outlets. If an outlet commonly called a receptacle no longer holds a plug snugly it should be replaced the procedure for replacing a duplex two outlet wall receptacle is similar to that of replacing a switch. The second terminal of switch then connected back to the brass terminal of outlet.
Box typical inside dimensions are about 2 in. Electrical plugs and sockets differ from one another in voltage and current rating shape size and connector type. The outlet addition methods we show here are based on the most common wiring 14 gauge wire on a 15 amp circuit and an 18 cu in. The safest way to connect wires is to use the outlet s side screw terminals a procedure known as side wiring.
A standard electrical outlet has two brass terminal screws two chrome ones and a single ground terminal which is green. As far as we know it is a continuous power outlet and is not connected and never has been. Different standard systems of plugs and sockets are used around the world. The 7 20 version has an enlarged line hot pin.
Wiring a switch to an outlet. The only difference is that depending on where the receptacle is located in the wiring scheme of your house it may have more wires attached to it than you find attached to a light switch. Ac power plugs and sockets connect electric equipment to the alternating current ac power supply in buildings and at other sites. Nema 7 devices are 2 pole and ground connectors rated at 277 v.
Hold a noncontact electrical tester near the black wires inside the outlet box. Another common method called back wiring uses self clamping rear terminals. 7 30 is a larger diameter connector with an l shaped neutral while the 7 50 has an enlarged neutral pin compared with the hot. In this wiring a switch is added to to an existing outlet by removing the hot wire from outlet brass terminal and connected to the first terminal of switch.
There appeared to be three hot two on the lower outlet three neutral also two on the lower and a standard ground wire.