1
vote
1answer
103 views

Closet dome light, is the tinfoil necessary?

In taking the cover off my closet dome light to change a lightbulb, I noticed that behind the lightbulb there is peeling tinfoil which is revealing something that looks like insulation. The lightbulbs ...
3
votes
1answer
460 views

What are switches activated by a closet door called?

My father-in-law set up all of his closet lights to turn on and off when the door opens. He used a switch that was apparently designed for that purpose, with a largish contact switch that turned on ...