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06-13-2012, 09:54 PM
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#1
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Senior Member
Join Date: Jan 2011
Location: PA
Posts: 423
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Pool wiring
I am wiring an in ground pool. It's going to have a heat pump that draws a heavy load so I'm going to put in a sub panel outside to serve the pool equipment.
I am arguing with a friend who is an electrician about the feeders to the sub panel. He claims that the feeders have to carry an insulated copper ground according to art. 250. My contention is that it has to be insulated and based on 250 but I can run aluminum.
Who is right?
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How can you have any pudding if you dont eat your meat
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06-13-2012, 09:56 PM
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#2
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976-EVIL
Join Date: Feb 2009
Location: State of Euphoria
Posts: 13,408
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Quote:
Originally Posted by BurtiElectric
I am wiring an in ground pool. It's going to have a heat pump that draws a heavy load so I'm going to put in a sub panel outside to serve the pool equipment.
I am arguing with a friend who is an electrician about the feeders to the sub panel. He claims that the feeders have to carry an insulated copper ground according to art. 250. My contention is that it has to be insulated and based on 250 but I can run aluminum.
Who is right?
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you're right
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06-13-2012, 09:58 PM
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#3
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Senior Member
Join Date: Jan 2011
Location: PA
Posts: 423
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Quote:
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Originally Posted by mcclary's electrical
you're right
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I read 680 like 3 times, and couldn't find. He swore up and down its in there
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How can you have any pudding if you dont eat your meat
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06-13-2012, 10:00 PM
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#4
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Registered Member
Join Date: Feb 2008
Location: Atlanta, Ga/Hamilton, Al
Posts: 4,868
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You are right, but in the presence of corrosive pool chemicals, copper will stand up better than aluminum.
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06-13-2012, 10:05 PM
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#5
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976-EVIL
Join Date: Feb 2009
Location: State of Euphoria
Posts: 13,408
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Quote:
Originally Posted by BurtiElectric
I read 680 like 3 times, and couldn't find. He swore up and down its in there
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I'm sure he thinks this applies:
(B) Equipment Grounding. The flexible cord shall have a
copper equipment grounding conductor sized in accordance
with 250.122 but not smaller than 12 AWG. The cord shall
terminate in a grounding-type attachment plug.
However, that's not for permanent pools.
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06-13-2012, 10:05 PM
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#6
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Senior Member
Join Date: May 2009
Location: Depoe Bay, Oregon
Posts: 9,933
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Quote:
Originally Posted by InPhase277
You are right, but in the presence of corrosive pool chemicals, copper will stand up better than aluminum.
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Hardly. They'll both get wrecked. Look at this picture - see all the pale green wires sticking out of the top of the panel? Those are bare copper ground wires. This panel was located adjacent to a swimming pool.
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06-13-2012, 10:17 PM
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#7
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Moderator
Join Date: Jan 2007
Location: NY State
Posts: 7,518
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It can be AL or CU, but it must be insulated.
680.25
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06-13-2012, 10:26 PM
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#8
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Senior Member
Join Date: Jan 2011
Location: PA
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Quote:
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Originally Posted by erics37
Hardly. They'll both get wrecked. Look at this picture - see all the pale green wires sticking out of the top of the panel? Those are bare copper ground wires. This panel was located adjacent to a swimming pool.
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Good point, I just had to replace lights in a swimming pool area at a hotel. The chlorine ate through te sprinkler pipes that were in the ceiling 20 feet above the pool. You should have seen these pipes. There was nothing left!!!
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How can you have any pudding if you dont eat your meat
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06-13-2012, 10:30 PM
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#9
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Registered Member
Join Date: Feb 2008
Location: Atlanta, Ga/Hamilton, Al
Posts: 4,868
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Quote:
Originally Posted by erics37
Hardly. They'll both get wrecked. Look at this picture - see all the pale green wires sticking out of the top of the panel? Those are bare copper ground wires. This panel was located adjacent to a swimming pool.
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But notice that those wires are in fact only green and not eaten clean through. Aluminum feeders I have replaced near pools have crumbled into white dust.
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06-13-2012, 10:48 PM
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#10
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Senior Member
Join Date: May 2009
Location: Depoe Bay, Oregon
Posts: 9,933
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Quote:
Originally Posted by InPhase277
But notice that those wires are in fact only green and not eaten clean through. Aluminum feeders I have replaced near pools have crumbled into white dust.
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Yeah without a doubt, the aluminum was in much worse shape at this place too.
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