√70以上 old doorbell transformer buzzing 197258-How to fix a buzzing doorbell transformer
1902 · Clearly, if you are testing voltages the circuit should be on, but if you are replacing any of the bits (transformer, doorbell, doorbell button, doorbell wiring) the circuit should be turned off Even a 12 volt short can cause a fire and you never know, something may have been wrongly connected to a 1 volt lineInstructions Step 1 Remove push button Remove the doorbell's face plate from the wall with a screwdriver and pull the push button away from the door jamb without touching the wires Step 2 Use circuit tester Use a circuit tester to measure the voltage flowing through the wires connected to the push button If the circuit tester indicates 2 volts, shut off the main power switchNuTone Doorbell Installation Time Study Most doorbells run on low voltage electricity These installations require a transformer and, often, holes to be drilled in floors and door frames Top Rated In Door Bell Transformers Helpful Customer Reviews Amazon Com How to fix a buzzing doorbell transformer