Quote:
Originally Posted by LarryS
If a connection were to fail it would generate heat. If the keyless light base is screwed directly to a wood cage ceiling for instance, it could catch fire.
The junction box protects and isolates the electrical connection.
I know a lot of people do screw these light fixtures to the cage ceiling but it is a very unsafe practice.
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Thank you for going into more detail. That does make sense

. So do all three lights go to the same junction box, or each to their own?
I want to do this properly so will have to do a bunch more reading.
As for screwing them into a wooden board, is this ok as long as the wires go to a junction box? If not, then why is it ok to screw one into the wall, but not a wooden board?