I'm putting some recessed lights in the basement. The ceiling is already
> finished so I'm using the "remodel" style recessed lights. After cutting the
> hole for one light I quickly realized that it is in a cold air return. The air
> travels between the joists with metal plenums(?) at the ends. This I can see
> with a mirror stuck up into the hole. The light kind of needs to go in this
> spot. I can get the wire there without problem but will the light cause any
> problems really? It's only about five inches wide. I'm thinking the air can
> travel around it and not cause any problems. I didn't expect this problem so
> I'm not sure what the electrical code says - I imagine that it doesn't like it.
> I read something about using Teflon coated wire which is legal in some areas
> but what about the fixture itself? Thoughts?