How To Wire A 3 Switch Light Switch Uk. Although it's easy to wire a light switch, you need a basic understanding of home electricity in order to do the job safely. If you've never before worked That means going to the breaker box and switching off the breaker that controls the switch you intend to replace.
Most modern switches have screw terminals on each side and may also have holes in the back Attach the first wire you unscrew to the same-colored screw on the new switch as it was on the old; do the same with the second. If a light switch fails to function, it should be replaced. In this configuration you must have the switch on to use.
Wiring Electrical Outlet for the Home.
When you turn on a light switch, power goes to the light through the "hot" (black) wire and then back through the neutral (white) wire to the ground.
The colors for the fan wire and the light wire on this diagram may not be the same as your fixture. You can usually install a light fixture between an existing one and the switch by cutting the cable to the existing fixture at the location of the new one, inserting the ends of the cable into the electrical box for the new fixture and pigtailing the new fixture onto these wires. Three-way light switches are ideal when you need to control lights from two locations.