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Old 02-02-2018, 07:54 AM   #1
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Default Pool - Single Family New Construction

Just curious. What type conductors/wiring methods you residential guys are using for the branch circuit conductors from the main service panel in a wood frame house new construction over crawl space to a 120/240 volt 100 amp Intermatic pool panel mounted on the exterior wall of the same structure about 35 feet away with a #8 insulated grounding conductor requirement.

Thanks
Mike
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Old 02-02-2018, 07:58 AM   #2
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Quote:
Originally Posted by jmfllp View Post
Just curious. What type conductors/wiring methods you residential guys are using for the branch circuit conductors from the main service panel in a wood frame house new construction over crawl space to a 120/240 volt 100 amp Intermatic pool panel mounted on the exterior wall of the same structure about 35 feet away with a #8 insulated grounding conductor requirement.

Thanks
Mike
I'd use PVC. Your mileage may vary.


680.25 Feeders

These provisions shall apply to any feeder on the supply side of panelboards supplying branch circuits for pool equipment covered in Part II of this article and on the load side of the service equipment or the source of a separately derived system.
(A) Wiring Methods.

(1) Feeders.

Feeders shall be installed in rigid metal conduit or intermediate metal conduit. The following wiring methods shall be permitted if not subject to physical damage:
  1. Liquidtight flexible nonmetallic conduit
  2. Rigid polyvinyl chloride conduit
  3. Reinforced thermosetting resin conduit
  4. Electrical metallic tubing where installed on or within a building
  5. Electrical nonmetallic tubing where installed within a building
  6. Type MC cable where installed within a building and if not subject to corrosive environment
  • Exception: An existing feeder between an existing remote panelboard and service equipment shall be permitted to run in flexible metal conduit or an approved cable assembly that includes an equipment grounding conductor within its outer sheath. The equipment grounding conductor shall comply with 250.24(A)(5).
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Old 02-02-2018, 09:02 AM   #3
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This has changed in the 2017 code

Quote:
680.25 Feeders. These provisions shall apply to any feeder on
the supply side of panelboards supplying branch circuits for
pool equipment covered in Part II of this article and on the
load side of the service equipment or the source of a separately
derived system.
(A) Feeders. Where feeders are installed in corrosive environments
as described in 680.14, the wiring method of that
portion of the feeder shall be as required in 680.14(B) or shall
be liquidtight flexible nonmetallic conduit. Wiring methods
installed in corrosive environments as described in 680.14 shall
contain an insulated copper equipment grounding conductor
sized in accordance with Table 250.122, but not smaller than
12 AWG.
Where installed in noncorrosive environments, feeders shall
comply with the general requirements in Chapter 3.
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Old 02-02-2018, 09:24 AM   #4
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Quote:
Originally Posted by Dennis Alwon View Post
This has changed in the 2017 code
It sounds like the OP is going to mount the pool panel on the outside of the house with the feeders running inside wood framing.

Doesn't seem like they would be in a corrosive environment.
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Old 02-02-2018, 09:31 AM   #5
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Originally Posted by MechanicalDVR View Post
It sounds like the OP is going to mount the pool panel on the outside of the house with the feeders running inside wood framing.

Doesn't seem like they would be in a corrosive environment.
I agree.... Pete's post requires conduit while the 2017 doesn't.
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Old 02-02-2018, 09:45 AM   #6
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Quote:
Originally Posted by Dennis Alwon View Post
I agree.... Pete's post requires conduit while the 2017 doesn't.
Due to the fact it sounds like the wiring will be inside the framing I don't read it that way.
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Old 02-02-2018, 02:50 PM   #7
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I agree.... Pete's post requires conduit while the 2017 doesn't.
I am not up on 680 in the 2017. Was the "conduit the whole way" requirement lifted for feeders? So it's just like pool motors now? IE; NM inside the structure?

**Note to self: Get a 2017 NEC.
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Old 02-02-2018, 02:58 PM   #8
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in canada, would just use teck
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