If you want to verify the transformer get a voltmeter and test its input and output while the doorbell works.
Attic rated doorbell transformer.
Most doorbells run on low voltage electricity.
These installations require a transformer and often holes to be drilled in floors and door frames.
I would put it into a junction or pull box.
Also i d imagine the hottest point for the attic would be about 4 to 5 pm not noon.
An electrically wired doorbell requires a transformer to step down the 120 volt house circuit to the correct voltage and wattage required by your doorbell.
Attic ventilation in line fans utility fans through wall fans.
It looks like a small metal box and can be silver off white or even brass colored.
The problem isn t the transformer per se it s finding the sucker 5 years later when you want to take it out.
If you just put it into the insulation that may be a problem.
In fact almost all attic mounted ac heating equipment has a control transformer in it.
Mount it up 2 3 off the attic floor and hard wire an outlet next to the.
They do get hot and need a way to cool.
The attic is fine but a garage is better.
The attic is insulated so the transformer will likely need an additional enclosure box i looked up the california electrical code 2016 but couldn t find a paragraph which would explicitly allow or disallow such installation and everything 1000v is considered low voltage by the code which doesn t help with search.
Nutone doorbell installation time study.
A transformer keeps wired doorbells powered at the right voltage for optimal operation.
A doorbell transformer is a small brass or silver colored box about 2 to 3 inches square with two to three terminal screws on the face.
The moment the doorbell breakers run up there and test the transformer.
Nutone s new line voltage doorbell connects directly to the line voltage of the home and.
If you are talking about doorbell transformers they should be mounted in open air.
Preferably outside a junction box.