Code and inspections

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Old 02-06-10, 09:16 AM
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Code and inspections

I have the below situation in the finished (with drop ceilings) portion of my basement:



I have two main areas of concern. First of all, the florescent light behind the wires seems wrong to me. Is it?

Secondly, the insulation on that wire in the back of the picture looks worn. I have a permit to do some work including replacing some wires (house built in the 50s) and this wire looks ripe to be replaced. However, this wire runs through holes in the joists that are drilled at an angle. My understanding is that this is not preferred. My question is, since the hole is already drilled, can i just put the new wire through that same hole or is the electrical inspector going to ding me for that? I know electrical inspectors vary wildly, but I'm just trying to get a general sense.
 
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Old 02-06-10, 11:01 AM
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I don't see an issue with any of the items you brought up. The light over the wires is obviously not optimal, but there shouldn't be any issue since the wires aren't up against the fixture.

Similarly, diagonal holes aren't recommended through joists since it weakens them a bit more than straight-through and it's a pain to pull wires through, but unless the hole is already full, I'd use the existing holes instead of drilling new ones. Again, there's no code violation to using diagonal holes. Just make sure they are large enough and not too filled so they don't damage the newly pulled wires.
 
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Old 02-06-10, 11:43 AM
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In addition to what Zorfdt wrote I see no reason to replace that existing type NM cable. It probably was chafed a bit from being pulled through those diagonal holes. If it really, REALLY bothers you then take some plastic electrical tape and wrap the frayed section.
 
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Old 02-06-10, 06:54 PM
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Just wanted to say I agree with the other two guys.
 
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Old 02-07-10, 08:30 AM
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Originally Posted by furd View Post
I see no reason to replace that existing type NM cable.
With these older NM cables (vs. the modern plastic sheathing), what would be an indicator of a wire that needs to be replaced?
 
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Old 02-07-10, 10:12 AM
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Significant damage to the outer jacket or the insulation breaking and falling off. Yours looks like you have neither.
 
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