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Old 06-03-2013, 07:24 AM   #1
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Outdoor fan, switch and receptacles


Have a roof covering my patio and now want to install a couple receptacles, a switch and a ceiling fan under the roof. Power from the panel will go first into a GFI outlet. Then I want to add another outlet that will be powered from the LOAD side of the GFI. I am a little confused on how to take power to the switch.

In the diagrams below is one way more preferred over the other as far as the load side of the GFI giving power to the other receptacle and switch(1) or should the power for the switch be grabbed with the line side of the GFI(2)?

All wires will be run in PVC conduit underground and along wood framing of support for roof.
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Last edited by rosem637; 06-03-2013 at 07:30 AM.
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Old 06-03-2013, 07:31 AM   #2
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Either diagram is fine. Use 2 if keeping the fan (and possible light kit) running if the GFCI trips is important to you. Personally I would use 1.

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Old 06-03-2013, 07:55 AM   #3
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Either diagram is fine. Use 2 if keeping the fan (and possible light kit) running if the GFCI trips is important to you. Personally I would use 1.
Because in 1 the switch and fan are protected by the GFI?
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Old 06-03-2013, 01:23 PM   #4
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Because in 1 the switch and fan are protected by the GFI?
Not necessary
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Old 06-03-2013, 01:52 PM   #5
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I would also go with #1, for the reason you stated, maybe...but more-so because I could use 12-2 instead of 12-3. And I'm a cheap azz
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Old 06-03-2013, 02:47 PM   #6
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I would also go with #1, for the reason you stated, maybe...but more-so because I could use 12-2 instead of 12-3. And I'm a cheap azz
The poster said they are running PVC conduit so individual conductors I assume will be used.
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Old 06-03-2013, 05:28 PM   #7
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The poster said they are running PVC conduit so individual conductors I assume will be used.
Oops...well you're right

Doesn't change things though. There's no need to have separate circuits.
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Old 06-03-2013, 07:59 PM   #8
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Go with drawing (1). if you do drawing (2) it will trip when you use the fan.
Use single conductors,(THWN), romex is not permitted in wet locations
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Old 06-03-2013, 08:08 PM   #9
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Go with drawing (1). if you do drawing (2) it will trip when you use the fan.
Use single conductors,(THWN), romex is not permitted in wet locations
Thanks to all who gave advice. I thought just the opposite that it would could trip if I went with #1. Why could it trip with drawing #2?

On another forum someone said:
"The fan should be high enough that it would not need to be on the GFCI, so either wiring diagram will work. I, personally, do not like to see stationary motors wired through a GFCI because of false tripping, so I would use the second one"
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Old 06-03-2013, 08:28 PM   #10
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In (2) you're pulling the neutral from the LOAD side of the GFCI, and the feed from the LINE side, the GFCI will see that whats going out on the LOAD black(feed) does not equal the LOAD white(neutral) coming back, causing the GFCI to trip
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Old 06-03-2013, 08:35 PM   #11
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In (2) you're pulling the neutral from the LOAD side of the GFCI, and the feed from the LINE side, the GFCI will see that whats going out on the LOAD black(feed) does not equal the LOAD white(neutral) coming back, causing the GFCI to trip
Good pickup.
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Old 06-03-2013, 08:43 PM   #12
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surprised you missed it, you have given a lot of good advice around here
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Old 06-03-2013, 08:49 PM   #13
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surprised you missed it, you have given a lot of good advice around here
What can I say, senior moment.
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Old 06-04-2013, 04:22 AM   #14
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In (2) you're pulling the neutral from the LOAD side of the GFCI, and the feed from the LINE side, the GFCI will see that whats going out on the LOAD black(feed) does not equal the LOAD white(neutral) coming back, causing the GFCI to trip
That kind of makes sense. I may setup a circuit on my bench using just a light bulb in place of the fan and test this out.
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Old 06-04-2013, 04:49 AM   #15
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FYI there are 2 kinds of outdoor fans .. DAMP location and WET location use one of those 2

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