Front Trans Rear Doorbell Wiring

The wire from the front door push button goes to terminal 2 marked front ignore the terminal marked trans.

Front trans rear doorbell wiring.

Wiring for two doors is the same as for one with the transformer hardwired to the 120 volt source from a house circuit. Usually the chime unit has screw terminals that are labeled front rear and trans which indicate the front doorbell wire rear doorbell wire if you have one and transformer wire respectively. Many doorbell units make two sounds. The wire from the rear door push button goes to terminal 1 marked rear on the doorbell.

You should see at least three wire connectors labeled trans transistor front front door and rear rear side door. Loosen the screw terminals and disconnect the wires. Use tape to label these wires accordingly so you can remember which is which. If you have hardwired doorbell buttons at the front and back of your house and one of them works you can be sure that the non working button or the wiring connected to it is bad.

Locate the doorbell transformer in the outlet box near the door. One wire from the transformer goes to the trans terminal and one wire from each button goes to either the front or back terminals. Try turning on lights in the area to make sure the power is shut off. The two black wires are attached to the trans transformer terminal on the doorbell unit and to the front or front doorbell terminal.

Depending on which doorbell you are replacing will decide if you need to use the front or rear connector but you will need to use the trans connector. The second black wire comes from the doorbell button. Connect the input wires on the transformer to the source circuit using the black to black white to white and ground to green method. The rear terminal is where the rear doorbell push button if you have one connects to the chime.

One for the front door the other for the back door. Adding a second doorbell chime. The color of the wire doesn t matter. A doorbell transformer is an electrical component that literally transforms power from a higher.

For instance if you re wiring a doorbell to your front door flip off the switch that controls power there. Run wire from the other sides of the push buttons. The twisted pair of white wires are from the 1 other terminal of the transformer and 2 from the second terminal of the doorbell button. Wiring diagram for a two chime doorbell.

Typically doorbell chimes have three terminals labeled rear trans and front that correspond with each connection.