The switch attaches with two screws at the top and the bottom of the switch. The new light in the garden will require a neutral supply usually taken from one of the.
Push all the wires into the electrical box.
Change single switch to double.
By using multiple switches just make sure you buy two in case of hardware failure that is the downside of centralizing everything to one device. So in that way you will cost more to make sure. Connect the other black pigtail to the bottom copper screw on the left side of the switch and tighten. Install the wall plate. Ed beal jan 15 18 at 14 10 it takes some special equipment and skill and i think two people to run a new cable from an existing box inside a wall up through the top plate and into the attic. Connect the pigtails to the new single pole double switch.
Attach the new single pole double switch to the electrical box. To wire a double switch you ll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture. But one person working alone can fish a new cable down from the attic through the top plate into an open hole in the wall. You will have to add some additional wiring as it is most likely the existing garage light control switch will just have a permenant live supply and a return switch line back to the light fitting. Your single wall switch has now been converted to a double wall switch so you can control lights independently or turn on a light without turning on a fan and vice versa. Though it is not difficult to wire a double switch careful attention to safety is crucial to prevent injury.
It is quite acceptable to change the single switch to a twin switch to control the new outside light. For example you might want to turn on a bathroom light separately from the ceiling fan. Install the wall plate. Could use a single gang with a double switch. Double switches sometimes called double pole allow you to separately control the power being sent to multiple places from the same switch. Turn the breaker on and test the double switch noting which switch now controls which fixture.
Connect one of the black pigtails to the top copper screw on the left side of the switch and tighten the screw.
Traditional Electrical Installation Guide Light Switch Wiring 6 Pin Male To 4 Trailer Adapter
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