Replace Light Switch 2 Black Wires 1 Red Wire. The new switch has red, black, green and yellow wires. Replacing two ceiling fans with lights on the porch.
The green or bare copper (ground) wire, if the device has one, attaches to the green screw terminal on the switch or to. A red wire is usually the THIRD wire in a switch - almost always used for a two-way switch. If it is switch wiring, then I'm a bit flummoxed, although the following strange method I came upon recently: The cable with live wire fed as follows: red(live) to common of one switch, and black It is the light switch I am replacing, I have a two gang switch which when wired correctly will controll.
Light switches are wired with the black (neutral) uninterupted and the red (live) interupted by the switch.
The black wire is the hot wire and leads back to the wall switch.
First, if you're Hot wires in a house are usually color-coded black or red, with neutral wires white, and ground wires bare or green; but under certain conditions, the hot wire to. The ceiling rose has a built in connector block, in order to fit the shelly we are replacing this with a simply bracket which the ceiling rose cover fits to and. There is also a white cable that passes through the junction box but isnt exposed in plain sight on either side.