Home Wiring Question
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Posted by Jim on December 25, 2007, 5:26 pm
Please log in for more thread options to remove the existing flooring (tile) and trench to a nearby wall outlet. I am assuming that current Elec. Code requires conduit in concrete. Anything else I should be aware of? I know the area is clear of embedded pipes. Thanks -- Posted via a free Usenet account from http://www.teranews.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Posted by BruceR on December 26, 2007, 12:24 am
Please log in for more thread options cuts to embed rebar ties. Speak to a concrete contractor for the specifics. If you need to do it and don't you could end up with cracks in a number of places. Jim wrote: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Lewis Gardner on December 26, 2007, 2:51 am
Please log in for more thread options Jim wrote:
> I (actually SWMBO) want to put an mid room outlet in a slab floor. Plan is
> to remove the existing flooring (tile) and trench to a nearby wall outlet. > I am assuming that current Elec. Code requires conduit in concrete. > Anything else I should be aware of? I know the area is clear of embedded > pipes. You might want to check out mineral insulated (MI or MICC) cable. It can be directly embedded near the surface of concrete and has very good current carrying capacity. I think MI cable for a 15 amp circuit is about 1/4" in diameter so a 3/8" x 3/8" cut would be sufficient. As always you need to check with the AHJ before using exotic materials. This is a specialty item and fairly expensive. www.micable.com has a price quote form and it might be worth the extra cable expense if you can make a small trench that does not tear up the floor. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Dave Houston on December 30, 2007, 12:08 am
Please log in for more thread options What part of "Code requires conduit in concrete" did you not understand?
>>Code requires conduit in concrete.
>You might want to check out mineral insulated (MI or MICC) cable.
http://davehouston.net http://davehouston.org http://tech.groups.yahoo.com/group/roZetta/ roZetta-subscribe@yahoogroups.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Lewis Gardner on December 30, 2007, 3:00 am
Please log in for more thread options Dave Houston wrote:
> What part of "Code requires conduit in concrete" did you not understand?
I understand the NEC. I have no idea if Jim@nospam.nospam knows what he is talking about when he says "Code requires conduit in concrete". My point is that MI cable is quite small and can be put into masonry without having to remove as much material as required by other products. The relevant part of the NEC is: 330-3 Uses Permitted. Type MI cable shall be permitted as follows: (6) Embedded in plaster, concrete, fill or other masonry, whether above or below grade. Look it up. It is cool stuff. When I suggested that you might have better things to do with your time a sudden interest in wiring methods did not spring to mind... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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> Plan is to remove the existing flooring (tile) and trench to a nearby
> wall outlet. I am assuming that current Elec. Code requires conduit
> in concrete. Anything else I should be aware of? I know the area is
> clear of embedded pipes.
>
> Thanks