Old Bathroom Light Has Several Wires From Wall

How to troubleshoot a faulty wall switch.

Old bathroom light has several wires from wall.

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. Remodeling boxes have internal clamps for the wires. Split off the small pieces of lath behind. Strip 1 2 inch of insulation from the black white and green wires on the new light fixture with a pair of wire strippers.

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. The moving parts of a standard light switch are enclosed inside plastic casing so when the switch goes bad your only option is to replace it. There may also be small screws on the sides of the light holding it to the mounting plate. Once the light is separated from the base check all wires for voltage.

Light fixtures with more than one lamp may have a pair of black and white wires for each lamp. 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. These connect to the black and white wires in the electrical box with the provided larger wire nuts. Remove any screws holding the light base to the wall.

Repeat these connections with the two white. If all is safe remove one wire nut at a time separate the wires and screw the wire nut back on the wall side. Push the old house wiring through these clamps and work them farther in as you insert the box into the wall. 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.

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. Cutting the hole accurately is critical so that the box ears have solid bearing on the plaster photo 4.