Light Fixture Junction Box Wiring Diagram. Connect the black or red current wires and the white neutral wires. In this diagram a new switch and light are added to an already existing light switch. Fig 2 the feed cable comes from a previous junction box or from the consumer unit the red black and earth wires are connected to separate terminals.
If necessary use wire strippers to remove the insulation from the light fixture s electric wires. If you want to spur off from a current circuit to provide power to a new socket of light again make sure the power is off and the circuit is isolated and wire your junction box using the method below. In this diagram a new switch and light are added to an already existing light switch. The junction box should be wired as shown below.
Connect the black or red current wires and the white neutral wires.
Wrap the copper or silver ground wires from the light fixture around the ground screw. Wrap the copper or silver ground wires from the light fixture around the ground screw. Wiring diagram for a new switch and light. These cables are used for distributing power to the light fixture the wall switch and may provide power to wall receptacle outlets as well. Ceiling light fixture electrical wiring and connections.