Like black wires they can also be used in some types of switch legs. One is for the fan and the other is for the light.
3 Way Multi Switch Installation 4 Wire Switches Amp Dimmers
Can you connect red wire to black. Connect the white wires together. If you want the red and blue will have the switch only control the light and the fan will work on the pull chain independantly if left connected black to black. In 220 volt circuits red wires are the secondary live wires. Connect the red wire to the screw in switch 2. Connect the black wire to the screw located in swith 1. In the switch box.
In addition red wires are used to connect hardwired smoke detectors to the homes power system. Connect the blue wire to the red wire. If the red and black wires are connected together already and energized yes you can do that but you will need a pull chain light or a remote control if they are not switch controlled. Depending on how they are connected at the switches depends on which one you connect the fan or the light at the ceiling. Ceiling fans can use two hot wires. Connect the black jumper wire to the top terminal screw on the switch and now both the switch and the top receptacle in the split tab outlet have power.
Connect white wires together. If you have two switches to control the fan then black and red are the two wires from the two switches. Connect the red wire coming from the outlet to the bottom switch terminal and now the lower receptacle on the split tab outlet will get power only when the switch is on. Connect the box red wire to both the black and blue fan wires and both will work off the switch. Connect black fan wire to the black ceiling wire. Split the incoming hot wire into a y and connect it to a terminal on each switch.
Its possible to link two red wires together or a red wire to a black wire.
Gallery of Can You Connect Red Wire To Black
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