Switch loops work by stealing a hot thats in an attic or maybe in a light fixture box in the ceiling and sending that hot down to the. If three four or even more lights are required to be switched from a single source the new cable can be extended to as many lights as required.
Multiway Switching Wikipedia
Switch loop wiring multiple lights. The source is at the outlet and a switch loop is added to a new switch. To make a switch loop connect the incoming hot black wire to the white neutral wire that runs to the switch. One cable connects to the previous light the other continues to the next light. So you have to do a 3 wire between the two lights like this. One source is spliced to each switch with a pigtail to power the two lights. Mark the white wire at each end with black tape or black paint to indicate it is hot.
You can do this light switch wiring in one of two ways. This wiring diagram illustrates adding wiring for a light switch to control an existing wall outlet. The hot source wire is removed from the receptacle and spliced to the red wire running to the switch. It has one less live one less neutral and one less earth core because the loop in has reached. The source is at the switch box and a 2 wire cable is run to each light. Im moving a light switch to a different wall and have found that the cable from the switch to the light has 3 wires but i dont know why.
3 wiring for two lights on one light. The most common is to daisy chain the light fixtures by connecting them to each other and hooking the first one up to the switch. In a switch loop this is not how its done. One cable lne either from the mains board or the last ceiling rose. 2 wiring for end of loop. Stack exchange network consists of 177 qa communities including stack overflow the largest most trusted online community for developers to learn share their knowledge and build their careers.
The other way to wire multiple lights to one switch is to connect all of them directly to the switch in a home run configuration. It shows three cables. The black wire from the switch connects to the hot on the receptacle. This video will show you how to wire a series of recessed light in your ceiling. Wiring two switches for two lights here two switches are wired in the same box to control two separate lights. So the juice follows the black all the way through to the switch without going into either of the lights then stays hot on the other side via a marked hot white wire to the light closest to the switch then ties in to the red to get back to the first lights black wire.
Tour start here for a quick. I like to use the term daisy chain. Next the incoming white neutral wire is attached to the light fixture as usual and the black wire from the switch is connected to the light fixture. Here the ceiling rose is shown with two cables both of which connect to line neutral and earth with no loop connection. Loop in systems 1 common loop in wiring. I like to use the term daisy chain.
The 2 wire source feeds to an adjacent switch for a differ.
Gallery of Switch Loop Wiring Multiple Lights
