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NEC 2002/ 2005 question on Motors #182128
11/19/08 12:14 AM
11/19/08 12:14 AM
S
sokoservices  Offline OP
Member
Joined: Jan 2008
Posts: 22
Virginia
Hello all.
Please help me pass my exam.
One question that I cant seem to find is:
" What is the maximum distance for flexible cord feeding a motor?"


Please help!

thank you


2017 / 2014 NEC & Related Books and Study Guides
Re: NEC 2002/ 2005 question on Motors [Re: sokoservices] #182130
11/19/08 01:02 AM
11/19/08 01:02 AM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,166
Estero,Fl,usa
680.21(A)(5) says pool pumps, cord and plug connected can only have a 3' cord.


Greg Fretwell
Re: NEC 2002/ 2005 question on Motors [Re: gfretwell] #182131
11/19/08 01:47 AM
11/19/08 01:47 AM
L
leland  Offline
Member
Joined: Aug 2007
Posts: 853
Lowell area, Ma. USA
422.16(B)(2).
422.16(B)(2)(2)
422.16(B)(4)(2)
430.42(C)
680.7(A)
680.21(A)(5)

Heres a few, check them out and you decide the common denominator.

Some think I'm nuts...But I enjoy danceing around the book.
(Thats not why they think I'm nuts though)

When looking for an answer: Focus on the "key" word. Here Flex. cord...422.16. Next "MOTOR" Start at 430 then move from there. You'll be surprised!!!

Best of luck!!!!

Last edited by leland; 11/19/08 01:51 AM.
Re: NEC 2002/ 2005 question on Motors [Re: leland] #182137
11/19/08 04:27 AM
11/19/08 04:27 AM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,166
Estero,Fl,usa
It is really a bad question.
I guess the real answer they are looking for would depend on what the options they give you on the test.
So far we have found 36" (pools), Between 3' and 4' (dishwashers) and 18" (disposals & range hoods).

I picked on 680.22 because that is the only article that specifically says "motors" and lists a length.
Appliances may have motors in them but that is not the way the article is worded.



Greg Fretwell
Re: NEC 2002/ 2005 question on Motors [Re: gfretwell] #182140
11/19/08 07:49 AM
11/19/08 07:49 AM
S
sokoservices  Offline OP
Member
Joined: Jan 2008
Posts: 22
Virginia
The answer that they want me to use it 6'. I am not sure where they would have gotten that answer. I am still looking.


Virginia Journeyman Eletrician
NFPA-70E Trained
CFC Universal Certified
Re: NEC 2002/ 2005 question on Motors [Re: sokoservices] #182145
11/19/08 01:21 PM
11/19/08 01:21 PM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,166
Estero,Fl,usa
That sounds more like the rule for spiral armor wiring methods ref grounding ... unless you are in Chicago.


Greg Fretwell
Re: NEC 2002/ 2005 question on Motors [Re: gfretwell] #182287
11/23/08 01:34 PM
11/23/08 01:34 PM
L
leland  Offline
Member
Joined: Aug 2007
Posts: 853
Lowell area, Ma. USA
Not to 2nd guess..But do they specifically ask "cord"?
6' seems to be more of a "flex" issue,greenfield etc. In wich case 6' jumps out, GEC in any piece longer than 6' etc..
I can't find 6' anywhere associated with "cord connected.."

Re: NEC 2002/ 2005 question on Motors [Re: leland] #182410
11/25/08 04:52 PM
11/25/08 04:52 PM
S
sokoservices  Offline OP
Member
Joined: Jan 2008
Posts: 22
Virginia
The question says CORD but i am with you all i can find is the section about the 6' flex cable (greenfield/ mc)


Virginia Journeyman Eletrician
NFPA-70E Trained
CFC Universal Certified
Re: NEC 2002/ 2005 question on Motors [Re: sokoservices] #182459
11/27/08 03:26 PM
11/27/08 03:26 PM
Y
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 840
Michigan
Any one look at Busways Article (368)>
Industrial 368.56(B)2
You can go a lot longer then 6 ft. The ist support is required within 6 ft .
2005Handbook page 407 shows a good example.

Also see 400.14 (50ft)


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