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Old 03-06-2011, 03:27 PM   #1
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Are blue boxes required for garage flourescent light fixtures?


Or, can I use one of the black plastic inserts and run the 14/2 directly into the metal housing? These are going in the ceiling area which will eventually be sheetrocked over.

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Old 03-06-2011, 04:39 PM   #2
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Are blue boxes required for garage flourescent light fixtures?


You need to use a cable clamp to secure the cable to the fixture housing.

If boxes are used above the fixture you need to provide a hole the size of the entire face of the box in the fixture to allow access to the splices.

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Old 03-06-2011, 04:45 PM   #3
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Are blue boxes required for garage flourescent light fixtures?


You can use any listed line voltage box as long as it remains accessible. I believe you're referring to the Arlington black button cable clamps. If so, those are fine.
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Old 03-06-2011, 04:59 PM   #4
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Are blue boxes required for garage flourescent light fixtures?


I did one of the fixtures just now -- copied what the original builder of the garage did (last year, which passed electrical rough & final).





He had a box above the fixture with the black/white/ground wires running through a small hole in the fixture (not the punchout). Hope it shows up in the pic.

I would have preferrred just running the romex right into the fixture.. if that's better I'll take down the boxes and do that with the remaining 7.
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Old 03-06-2011, 05:16 PM   #5
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Are blue boxes required for garage flourescent light fixtures?


That's wrong. The box should not be there like that and the ground looped around the other one is not a proper connection. Loose the box, take out one of the knockouts on the light and put a cable clamp in. Run the romex cables through the clamp and then make your connections inside the light fixture.
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Old 03-06-2011, 05:20 PM   #6
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Are blue boxes required for garage flourescent light fixtures?


That method is not code compliant. I would bring the cables into each fixture and not use a box.

Check this for a better understanding.

http://www.mikeholt.com/reprint_request2000.php?id=3199
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Old 03-06-2011, 05:23 PM   #7
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Are blue boxes required for garage flourescent light fixtures?


How did my builder get away with this? This is exactly how he wired the 4 existing fluorescent fixtures. Took apart one of his installs to confirm.

I have to put part of the insulator inside the fixture if the clamps are used. So I just wasted 50' in romex by copying what passed a previous inspection. Already stripped the romex on the fixtures I prepped. Luckily I only did 3. The 5 others haven't been stripped yet. I could strangle the builder.
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Old 03-06-2011, 05:48 PM   #8
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Are blue boxes required for garage flourescent light fixtures?


Quote:
Originally Posted by sheslostcontrol View Post
How did my builder get away with this? This is exactly how he wired the 4 existing fluorescent fixtures. Took apart one of his installs to confirm.
.
It's possible the inspector did not actually look at that part of the installation. It is not realistic to think they look at everything. It would be nearly impossible to do so.
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Old 03-06-2011, 06:38 PM   #9
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Are blue boxes required for garage flourescent light fixtures?


This a little better?


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Old 03-06-2011, 06:42 PM   #10
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Are blue boxes required for garage flourescent light fixtures?


Much better.

Are the fixtures grounded?
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Old 03-06-2011, 06:46 PM   #11
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Are blue boxes required for garage flourescent light fixtures?


Yes there is a green screw on the metal housing. I ran a piece of 14 gauge copper wire (same as the 14/2 romex) from that to the wires in the clamp.

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Old 03-06-2011, 06:47 PM   #12
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Are blue boxes required for garage flourescent light fixtures?


Do they normally want the covers left off like this, or buttoned down?

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