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Old 04-24-2012, 08:03 PM   #1
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New HVAC line to airhandler in basement.


I'm currently working on a house built in the 1930's. The electrical is a mess with a combination of a switch panel and a fuse box with most of it still being knob and tube. I'm running a new electrical line to the air handler in the basement. This is due to it currently being tapped off a light circuit which also feeds an outlet in the kitchen, a bedroom, and half the outlets upstairs. (There's no rhyme or reason to the current electrical setup).

My main question is I'm running 12NM through bored holes in the studs to the air handler. Once I get to the handler and run it down to where it enters the appliance and switch box will I run in to codes problems. Should this run in the basement be inside a conduit or is NM cable okay?
Any guidance would be appreciated.

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Old 04-24-2012, 08:11 PM   #2
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New HVAC line to airhandler in basement.


Many will run a conduit sleeve up to the ceiling and run the cable in it to the unit.

Don't forget any unit disconnect switches or receptacles for condensate pumps.

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Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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Old 04-24-2012, 09:28 PM   #3
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New HVAC line to airhandler in basement.


Don't forget that any receptacles have to be GFI
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Old 04-25-2012, 07:39 AM   #4
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New HVAC line to airhandler in basement.


Quote:
Originally Posted by a7ecorsair View Post
Don't forget that any receptacles have to be GFI
assuming the basement is unfinished, of course
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Old 04-25-2012, 10:54 AM   #5
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New HVAC line to airhandler in basement.


Quote:
Originally Posted by itsnotrequired View Post
assuming the basement is unfinished, of course
I doubt this space qualifies as habitable.

(5) Unfinished basements for purposes of this section,
unfinished basements are defined as portions or areas of
the basement not intended as habitable rooms and limited
to storage areas, work areas, and the like
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Old 04-25-2012, 11:18 AM   #6
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New HVAC line to airhandler in basement.


Quote:
Originally Posted by Code05 View Post
I doubt this space qualifies as habitable.

(5) Unfinished basements for purposes of this section,
unfinished basements are defined as portions or areas of
the basement not intended as habitable rooms and limited
to storage areas, work areas, and the like
the local receptacle required by 210.63 could conceivably be in a finished area of the basement and thus not have to be a GFCI receptacle. i wasn't suggesting the air handler was in a bedroom.
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Old 04-25-2012, 01:24 PM   #7
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New HVAC line to airhandler in basement.


Quote:
Originally Posted by itsnotrequired View Post
the local receptacle required by 210.63 could conceivably be in a finished area of the basement and thus not have to be a GFCI receptacle. i wasn't suggesting the air handler was in a bedroom.
I will concede to that .

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