Wiring a doorbell with a transformer is a relatively simple process that can be completed in a few steps. A doorbell transformer is a device that converts the high voltage of household electricity to a lower voltage that is safe for use with a doorbell. It is typically mounted on the inside of the house, near the electrical panel.
The first step is to identify the wires that will be used to connect the doorbell transformer to the doorbell and the power source. The wires that are used for the doorbell are typically 18 gauge or 20 gauge, and they are usually white, black, and red. The white wire is the neutral wire, the black wire is the hot wire, and the red wire is the traveler wire.