Your extra black wire is not extra at all but merely a connection to another outlet. Its also possible that in some configurations a hot wire may be indicated by red insulation on the wire jacket.
Trouble Wiring Three Way Switch Electrical Diy Chatroom
Red wire in outlet. A live black wire a green or copper ground wire and a neutral white wire. The bare copper wire from the junction box connects to the green wires on the ceiling fan. In most cases you see a red wire in an outlet box only in special circumstances. When you see a red wire in a 120 volt duplex outlet box its usually because one of the outlets is operated by a wall switch while the other is always on. In standard 120 volt wiring the hot wire is black but it can also be red. The wires on the left white go to the screw terminals on the left side of the outlet.
Put the black and red wires into the hot ports on the back of the outlet. These outlets are not switched. If you change a light fixture and find a red wire in the electrical box chances are the black wire from the fixture needs to go to the red wire in the box. Another is that the box is on a circuit three way switch loop. This configuration sometimes called a half hot or split tab outlet is becoming increasingly popular so its good to know how to wire it. Place the end of the black wire in the port next to one of the unlabeled screws and the red wire in the port on the other.
The red wire is for the light switch. One is that the outlet is a 240 volt one which requires an extra hot wire. The red wire switched hot wire going to the outlet wires into the other side of the switch and the white wires neutral tie together to complete the return side of the circuit. To direct wire through the receptacle connect one of the black hot circuit wires to one of the brass colored terminals and connect the other black wire to the other brass terminal. Normally youll see a red wire in places you would expect a ceiling fan. There will be 2 unlabeled screws left on the back of the outlet which are known as the hot screws.
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. If an outlet commonly called a receptacle no longer holds a plug snugly it should be replacedthe procedure for replacing a duplex two outlet wall receptacle is similar to that of replacing a switch. Generally electrical socket boxes come with three wires each of them colored differently. In most cases a red wire present in an electrical outlet means that a switch can operate the outlet. In the scenario that you describe the red refers to the hot load in your system. The red wire from the junction box connects to the blue wire on the ceiling fan.
A red wire in an electrical outlet often indicates a second positive live wire. One of the most common wiring configurations your going to find with outlets are shown in the diagram below. But in places like a bathroom or a wall light if you see a red wire its a good bet that the red wire is the. Because your junction box wiring has a separate black and red wire this normally indicates that there are two separate wall switches one for the fan motor black and one switch for the ceiling fan light fixture red.
Gallery of Red Wire In Outlet
