Questions tagged [transformer]

For questions about transformers, devices which convert alternating current from one voltage to another.

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4answers
105 views

Would a transformer protect a 24V digital flow meter if it received 48V?

I purchased a new water softener for the house. It has a digital flow metering device. It worked great for a few days and then stopped working. Long story short, I finally figured out that the outlet ...
10
votes
8answers
2k views

Do travel voltage transformers really not have grounding?

Example 220v-to-110v converter here. It seems like it accepts a 110V plug with grounding, and yet the converter itself only has a two-pronged plug (to a 240v outlet). Does this mean that plugging a ...
0
votes
1answer
3k views

How can I use a second transformer to power my zone controller?

My system uses an EWC Controls model NCM 300 zone controller, that is currently powered using the transformer in the air handler unit. I'm installing two new smart thermostats, and the power ...
3
votes
2answers
1k views

Electric Garage heater contactor failure

I own a Fahrenheat FUH724 (7500 watts) electric heater for my 2 car, uninsulated garage. I installed this unit 12/2017 along with a Nest thermostat. An Aube rc840t-240 relay was used to step down the ...
1
vote
3answers
3k views

Doorbell transformer location problem

I need to find my doorbell transformer in order to change it for a more powerfull one (ring pro doorbell). I have opened the chime and i can see the transformer wire going in my basement, i did follow ...
0
votes
1answer
338 views

Is this a doorbell transformer? How to test if faulty?

My doorbell has stopped working. I am trying to test each of the components using a multi-meter. However, the wires seem to go through the ceiling etc, so I can't trace where they are going or what ...