Wiring a deck

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  #1  
Old 09-23-07, 10:47 AM
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Wiring a deck

Hi I'm new to the forum, and need help with a wiring question.
I've built a deck attached to my house. I've roughed in wiring for outlets on the deck, to return to the panel for a GFI breaker. I'm using UF-B sunlight rersistence 14/2 cable.
I also have waterproof boxes for the outlets. Here are my questions:
1) do I need to enclose the cable under the deck in a conduit? And if so what kind?
2) the waterproof boxes are big, so I am thinking I will cut into my post railing to make a nice appearance, any code violations by doing this?
3) can a surface mount the waterproof outlet box? The post are made of Trex and cutting into them maybe problematic.

Thanks for any advice.
 
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Old 09-23-07, 11:31 AM
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so far ok

1)The wire does not need protection under the deck. Staple it along the sides of the joists, or drill thru, you can't staple to the bottom of the joists.
Depending on the route from there to the box it may need some.

2)electricly, no problem, building code... maybe another issue.

3) Yes surface mount. This brings us back to #1, Stub a piece of PVC up to the box from under the deck to protect the cable.

4) you will need "in use" covers for all. GFCI as you have this coverd.
 
  #3  
Old 09-23-07, 12:33 PM
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ALL machine-screws should be brass , which is a corrosion-proof metal .

Drill small-diameter drain-holes in the bottom of the WP boxes.
 
  #4  
Old 09-23-07, 03:28 PM
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Thanks!

Lectriclee and PATTBAA,

I appreciate the advice,and it was very helpful.

I did one box today, big learning curve. I cut the box into the Trex for a cleaner finish, it looks good. I will try to take some pictures to post.
One mistake I made was trying to run the UF-B and the lo-voltage lighting wire thru too small a drill hole. Everything had to come apart and the cables had to be reinserted in the correct order.

Like I said big learning curve.
 
  #5  
Old 09-23-07, 03:58 PM
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Originally Posted by PATTBAA View Post

Drill small-diameter drain-holes in the bottom of the WP boxes.


I hate when people do this, the box just fills up with ants and everything else with legs... if you properly thread seal the KO's and install the gasket correctly there would not be a water problem...
 
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