Hold the fixture and splice the wires together, cap them with wire nuts and fold them up into the fixture box. Slide the base plate over the wires and thread the coupler nut onto the threaded rod to push the base plate up and hold it in place. Adjust the position of the base plate by turning the coupler until it’s snug against the ceiling.
If permitted, new electrical wiring may be run behind baseboards to serve a new wall receptacle, or to a switch and new ceiling light fixture. To pass the cable through the wall studs a notch is cut in the wood and a metal shield, sometimes called a nail guard, is fastened over the notch to protect the new wires from nail and screw punctures.
A ceiling fixture may be installed one of two ways, it may have screws that hold the base to the mounting strap on the outlet box to support the weight, or a threaded rod and coupler may be used to suspend the fixture. To install a fixture with screws, locate the base and make sure there are two holes that line up with the screw holes in the mounting strap. Also check that the screws to be used thread freely into the holes before holding the light up to begin installation.
After deciding the route, mark and cut the holes for a new receptacle, switch or fixture using the outlet box as a template. Before installing the new box, use the hole to aid in running the new cable.
A current-carrying wire in an electrical circuit. There may be one or two hot wires in a household electrical circuit. These wires are always insulated and may be colored black or red, or in the case of some ceiling fans, the hot wire may also be colored blue.
A pipe through which an electrical cable is run to protect it from damage. Conduit is available in metal and pvc plastic. Conduit is required in places like unfinished basements where electrical wiring is exposed and therefore vulnerable to damage.
Attach the wires to a new switch connecting the hot source to the bottom terminal and the wire running to the light to the top terminal. On a receptacle the black wire from the source goes on the hot, brass colored screws and the white goes to the neutral, silver colored screws. If there are two sets of wires on a receptacle, keep them in sets using the top terminals for one and the bottom terminals for the other set.
Use a straight edge held flat against the top of the base cap to keep your line straight as you pull the knife through the caulk several times until it’s cut cleanly.