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Planning, installing and using either indoor or outdoor artificial lights.

1 vote

what are my options when it comes to updating my recessed lighting?

R is for reflector and 30 is how many eighths of an inch wide they are... 3-3/4 inches in this case. BR is for bulged reflector. PAR is for parabolic aluminized reflector. I agree with all the other …
Dean Studer's user avatar