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nonmetallic sheathed cable #101715
12/29/02 04:24 AM
12/29/02 04:24 AM
S
sparkyga  Offline OP
Member
Joined: Apr 2002
Posts: 15
V.K.
Hi Guys

I have never seen loomex(NMD) surface mounted in a house(without a raceway), but according to the code unless it is exposed to mechanical damage or closer then 1.5 Metres from the floor it is allowed (CEC 12-518). I had a discussion with an individual and he is saying there is no problem with this if he wanted to do it. This leaves allot of room for bad judgement. I have never seen a house wired in this matter and it obviously would not look good but can you prove to me that it can not be done. If he decided to surface mount a cable from a switch to a light in the ceiling and not use a raceway could he get away with it

Thanks
Greg

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Re: nonmetallic sheathed cable #101716
12/30/02 02:42 PM
12/30/02 02:42 PM
T
Tony Moscioni  Offline
Moderator
Joined: May 2001
Posts: 144
CANADA
Greg,

I don't like the answer, but quite frankly, he could actually pass inspection.

The code only specifies mechanical protection if it was installed less than 1.5m.

As well, there is no requirement in the standard CAN/CSA-C22.2 No. 48-M90
(Reaffirmed 2000)
Nonmetallic Sheathed Cable.


Rationale and Intent for Rule 12-518.

Where cables pass through floors or are located less than 1.5 m above a floor, we intend that they be protected from mechanical damage such as by the use of metal conduit or guard strips or installed in a location where there is no potential hazard.

Tony Moscioni
Electrical Inspector
Electrical Safety Authority

Re: nonmetallic sheathed cable #101717
12/31/02 05:08 PM
12/31/02 05:08 PM
Z
ZackDitner  Offline
Member
Joined: Oct 2002
Posts: 47
Kitchener, Ontario, Canada
so if i wired my whole house with NM cable 5' off the floor nailed to the walls there would be no problem?

Re: nonmetallic sheathed cable #101718
01/02/03 07:36 PM
01/02/03 07:36 PM
S
sparkyga  Offline OP
Member
Joined: Apr 2002
Posts: 15
V.K.
Thanks for the answer:

It is good to know this just in case I run into a situation where I forget to pull the electrical in the walls before the drywall.This way I can just hang it from the ceilings and walls unless I have a few monkeys that might cause mechanical damage by hanging on it.!!!!!!

Later


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