Ceiling Box Extension with Fixture

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Old 02-17-14, 01:31 PM
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Ceiling Box Extension with Fixture

I need to add an extension ring to a octagon ceiling box and mount a fixture to it.

This is the fixture I currently have it mounted on the box as follows.

PDF OF INSTALLATION INSTRUCTIONS

The canopy is almost 5". I was thinking of using the following type of extension ring unless you suggest otherwise:

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Wiremold Extension I was going to use

My questions is in regards to installing the fixture on it.

Would I use the same mounting bracket that came with the fixture or would I be connecting it to the silver circular bracket that comes with the wiremold and if so I assume I add a grounding screw to it?

Do you think the canopy will completely cover the opening of the extension ring?

And how much cubic inches/ number of wires do I gain by using this extension?

The canopy of the fixture is 5"x1" deep.... is there any space to be gained by it?
 
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Old 02-17-14, 07:59 PM
Tolyn Ironhand's Avatar
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I'm not quite sure why you need to add the Wiremold extension? Why not just connect it to the octagon box? Is the box over filled with wires? The light fixture will add some cubic inches, I can't say how many though
 
  #3  
Old 02-18-14, 05:31 AM
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Yes its there are more wires than listed in a chart I saw and its unaccesible from above. I thought I could add the wiremold to gain a few wires.

Im an idiot here, I know this is probably basic. But the canopy is 5" round by 1" deep... if each conductor 14 is 2 c" how many do I gain in the canopy? (if that's even an acceptable means).
 
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