Wiring a Doorbell

The best time to plan the installation for wiring aThe doorbell wiring will use two hot lines that run
doorbell is when the walls and ceilings are still openfrom the chime box to the doorbell. If the
during new construction or remodeling. If youdoorbell is controlling two locations, then it will
want to install a doorbell for the first time in amost likely have two different chimes so you
finished house, you may want to consider aknow which door to answer. The cable will
wireless doorbell so you don't have to cut into theconnect to the transformer with two hot screws
walls to do the wiring.for each doorbell. The cable will also attach to
Wiring a doorbell in a new home is very easy.each doorbell with these two hot cables. When
Doorbell wiring is low voltage wiring which usesthe doorbell button is pushed, the circuit will
around 12-volts. The wire size is about 18-guagecomplete the electrical current and the doorbell will
wire. It's actually called doorbell wire, so you can'tchime.
go wrong with that.Once all the wires are attached, you can secure
You will need to run the wire from each doorbellthe doorbell, chime box, and transformer. Turn on
back to the doorbell transformer. Doorbell wiringthe house power and test the doorbell.
requires a transformer that connects to aTo replace an existing doorbell, you will only need
120-volt circuit. It reduces the electric voltage toto detach the old doorbells and replace them with
about 12-volts.the newer bells. If you want a different chime,
Be sure to turn off the electricity before youthen you will need to replace the chime box by
wire the doorbell transformer to the houseremoving the old wiring and connecting the newer
power. Turn off the breaker and tell other familywiring.
members what you are doing.In some cases, you will need to replace the
The transformer will have a hot screw and atransformer for a new doorbell and chime if it
neutral screw. The black wire from the houseneeds different voltage to function properly. This
power will connect to the hot screw and thecan be done by first, disconnecting the house
white wire will connect to the neutral screw. Thispower, then replacing the transformer with the
will give the doorbell transformer power. There willnew transformer. After that you can turn the
be one hot wire and one neutral wire that runspower back on and test the new doorbell system.
from the transformer to the chime box.