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Garage wiring question.....

Junkman

Junkman

Extra Super Moderator
I am contemplating installing some twist lock L6-30 receptacles in my garage to power the air compressor and my lift. I was wondering if they also have to be GFI protected like 110 volt outlets. Also want to put in a 10 gauge rubber coated wire into box on the ceiling and have it drop down about 5 feet to plug the lift into. I will be using male and female twist lock connectors. How would it be best to attach it to the metal electrical box that will be screwed to a ceiling joist? Junk....
 
Junkman said:
I am contemplating installing some twist lock L6-30 receptacles in my garage to power the air compressor and my lift. I was wondering if they also have to be GFI protected like 110 volt outlets. Also want to put in a 10 gauge rubber coated wire into box on the ceiling and have it drop down about 5 feet to plug the lift into. I will be using male and female twist lock connectors. How would it be best to attach it to the metal electrical box that will be screwed to a ceiling joist? Junk....
Click to expand...

I don't know about the GFI been away from the business too long.

for the strain reliefs look for a device called a cord grip. it has conduit threads and mounts in a hole in the junction box. there is a rubber plug with a hole in it. you pass the cord through the hole and a compression nut tightens it on the cord.

Jim
 
Junkman said:
I am contemplating installing some twist lock L6-30 receptacles in my garage to power the air compressor and my lift. I was wondering if they also have to be GFI protected like 110 volt outlets. Also want to put in a 10 gauge rubber coated wire into box on the ceiling and have it drop down about 5 feet to plug the lift into. I will be using male and female twist lock connectors. How would it be best to attach it to the metal electrical box that will be screwed to a ceiling joist? Junk....
Click to expand...

You want to use a good strain relief like the ones in the attached PDF file.

My local county code requires garage outlets to be GFI protected. I believe this is also NFPA NEC Code also.
 

Attachments

Junk,
The others have given you the best advice on the cord grips or strain reliefs.
The NEC would not require GFCI protection on the cord drops for two reasons. The L6-30 is a 30A device and it's for 250V. The NEC requires GFCI protection on all 125V 15A and 20A receptacles in the garage, with exceptions of course.
 
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