How to troubleshoot a faulty wall switch.
Old bathroom light has several wires from wall.
Coming out of the ceiling there are 2 cables and in each are a red black and yellow green cables 6 in total and the light that i have bought to go up there has access for a blue and a brown wire.
Connect the lead wires from the fixture to the black hot wire in the electrical box by twisting a wire connector to the ends of the lead and hot wires.
If you are at the junction box that is in the wall where the old light fixture was then there should be only 2 wires that the old fixture was fastened to.
Then connect all of the white wires together with a wire.
Strip 1 2 inch of insulation from the black white and green wires on the new light fixture with a pair of wire strippers.
7 connect the wiring from the new light fixture to the wires leading from.
These connect to the black and white wires in the electrical box with the provided larger wire nuts.
I bought a light for my son s bedroom but when i detached the old light i found to my horror 6 wires rather than the expected 2.
There may also be small screws on the sides of the light holding it to the mounting plate.
Remodeling boxes have internal clamps for the wires.
Remove any screws holding the light base to the wall.
Push the old house wiring through these clamps and work them farther in as you insert the box into the wall.
Twist all of the black wires from the light bar together with the black wire from the wall switch and connect the ends using a wire nut.
Light fixtures with more than one lamp may have a pair of black and white wires for each lamp.
If all is safe remove one wire nut at a time separate the wires and screw the wire nut back on the wall side.
Plus a ground green on the fixture possibly and bare from the junction box look in the box and see where the wires come from the inside of the wall through the small holes in the back or.
Once the light is separated from the base check all wires for voltage.
Split off the small pieces of lath behind.