Installing Outside Fan and Receptacles


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Old 05-18-21, 11:09 AM
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Installing Outside Fan and Receptacles

Hi all. New to this forum and looking for some help/advice. While I've done a lot of DIY projects, I am still a bit noobish on electrical. I will be installing a wet rated fan on my deck and two receptacles for plug-in lighting. I will be running power from my basement through the header joist and underneath the deck to a weatherproof box. My thinking is to go from this box (underneath the deck) to a two-gang box with two toggle switches and weatherproof cover. One switch for the fan, the other for the two receptacles. Two of my questions at this time are what type of cable should I use and, if using flexible PVC conduit, should I use 1/2" or 3/4"? Thanks.

 
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Old 05-18-21, 11:18 AM
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Welcome to the forums.

The wire is flexible and it's called UF..... for underground feeder or weatherproof.
You'd use 14-2 w/ground.

You could also use conduit although it's not flexible. You can use 1/2" PVC or EMT.
EMT is plated steel. I used EMT on my patio because you can make custom bends in it and it's easier to run straight. For general applications....it's easier to use PVC. You can get any needed fittings for installation.

If you use conduit.... you'd pull in as many wires as required. In your case it will be three or four maximum.
 
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Old 05-18-21, 04:54 PM
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Thanks Pete. It was a bit confusing when trying to research this online. It sounded like UF required conduit if above ground unless at least 8' above a finished floor. Will still go with conduit as I think it looks cleaner. Should I use THHN or THWN wire for outside (in-conduit) application?
 
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Old 05-18-21, 06:41 PM
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THWN is the water resistant type. Now you'll pretty much only find THHN/THWN which is ok too.
 
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Old 05-19-21, 09:22 AM
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Are GFCI outlets required for outside use?
 
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Old 05-19-21, 09:28 AM
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Yes.... outside receptacles need to be GFI protected.
 
 

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