Wiring diagram for a two chime doorbell. The line side of the transformer must be terminated in an approved electrical box similar to a light switch or wall outlet.
Doorbell Wikipedia
Wiring diagram for a doorbell with a transformer. Doorbell transformers need to provide the required voltage for the unit in questionthe transformer reduces the 120 volt power in your home to the desired voltage for your doorbell. This is usually between 12 and 24 volts. Wiring doorbell transformers is not too difficult. But if the doorbell chimes and transformers are functioning wiring the doorbell itself is just a matter of hooking them up correctly. Typically doorbell chimes have three terminals labeled rear trans and front that correspond with each connection. The transformer is used to step the voltage down from 120v to 16 18 or 24 volts.
Below is a standard doorbell wiring diagram. Make sure the power is off. The rear terminal is where the rear doorbell push button if you have one connects to the chime. Eg if a doorbell required 12 or 24 volt v and we have 220 volt ac incoming supply then we use step down transformer for these types of doorbells. Located on the central hub of a doorbell chime the doorbell terminals are where the wires from the doorbell push buttons and transformer connect to the chime. One or two buttons for front and back door can be used to activate your doorbell system.
Connect the input wires on the transformer to the source circuit using the black to black white to white and ground to green method. A doorbell is powered by a doorbell transformer which needs to be professionally installed so it can safely and properly draw power from your homes electrical system. Wiring for two doors is the same as for one with the transformer hardwired to the 120 volt source from a house circuit. Before you work on it. How to wire a doorbell with step down transformer the next doorbell diagram for those door bells which required a step down transformer.
Gallery of Wiring Diagram For A Doorbell With A Transformer
