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Conductor vs Cable #81432
08/17/02 09:07 AM
08/17/02 09:07 AM
G
Gwz  Offline OP
Member
Joined: Apr 2002
Posts: 197
What is the exact definition of Cable?

Some mentions of Cable;
Chapter 9 Table 1 notes (5) and (9).

325-1 - Type IGS cable is a factory assembly of one or more conductors, - - -.

328-2 - type FCC cable consists of 3 or more - - -.

330-1 - Type MI - - - cable is a factory assembly of one ore more conductors - - -.

334-1 - Type MC cable is a factory assembly of one or more insulated circuit conductors - - -.

336-2 - Nonmetallic sheathed cable is a factory assembly of two or more insulated conductors - - -.

370-17(b) - -. Where raceway or cable - - -.

370-17(c) - - . In all instances, all permitted wiring methods shall be secured to the boxes.

373-5(c) Cables. Where cable is used, each cable shall be secured to the cabinet, cutout box, or meter socket enclosure.

Point of interest: Why shouldn't all conductor(s) , 1/C or more, be secured to enclosures?

Seen many installations where the GEC is installed through the "WEEP" hole of an enclosure with out being secured to the enclosure.

Is that WEEP hole to be used for another purpose ?

Glenn

2017 / 2014 NEC & Related Books and Study Guides
Re: Conductor vs Cable #81433
08/17/02 09:41 AM
08/17/02 09:41 AM
Joe Tedesco  Offline
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
Cable. A factory assembly of two or more conductors having an overall covering.

See 800.2, this is the only definition for the term cable that I could find in the entire selection of the NFC via the NFPA Glossary.


Joe Tedesco, NEC Consultant
Re: Conductor vs Cable #81434
08/17/02 10:04 AM
08/17/02 10:04 AM
sparky66wv  Offline
Member
Joined: Nov 2000
Posts: 2,236
West Virginia
So, uh, triplex cable, uh "isn't".


-Virgil
Residential/Commercial Inspector
5 Star Inspections
Member IAEI
Re: Conductor vs Cable #81435
08/17/02 10:22 AM
08/17/02 10:22 AM
T
tdhorne  Offline
Member
Joined: Mar 2001
Posts: 345
Maryland, USA
Cable is any assembly of one or more conductors that is suitable for use without aditional physical protection. Single conductor underground feeder cable is installed by the thousands of feet weekly. The definitions in article 800 are only intended to apply to that article.
--
Tom


Tom Horne

"This alternating current stuff is just a fad. It is much too dangerous for general use" Thomas Alva Edison
Re: Conductor vs Cable #81436
08/17/02 10:55 AM
08/17/02 10:55 AM
Joe Tedesco  Offline
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
tdhorne:

Please provide us with a specific reference that can be found in the 2002 NEC for your definition.

You are correct, the Article 800 definition is for that article only, see 90.3

We really have to be careful when posting information here, because there are many who may rely on this information, even though it is not an official interpretation.

I would like to see the people who post messages here add the edition of the National Electrical Code that they are using.


Joe Tedesco, NEC Consultant
Re: Conductor vs Cable #81437
08/17/02 06:50 PM
08/17/02 06:50 PM
Joe Tedesco  Offline
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
396.2 Definition.
Messenger Supported Wiring. An exposed wiring support system using a messenger wire to support insulated conductors by any one of the following:

(1) A messenger with rings and saddles for conductor support

(2) A messenger with a field-installed lashing material for conductor support

(3) Factory-assembled aerial cable

(4) Multiplex cables utilizing a bare conductor, factory assembled and twisted with one or more insulated conductors, such as duplex, triplex, or quadruplex type of construction


Joe Tedesco, NEC Consultant
Re: Conductor vs Cable #81438
09/07/02 07:05 PM
09/07/02 07:05 PM
T
tdhorne  Offline
Member
Joined: Mar 2001
Posts: 345
Maryland, USA
Joe Tedesco Wrote:

Quote
tdhorne:

Please provide us with a specific reference that can be found in the 2002 NEC for your definition.

You are correct, the Article 800 definition is for that article only, see 90.3

We really have to be careful when posting information here, because there are many who may rely on this information, even though it is not an official interpretation.

I would like to see the people who post messages here add the edition of the National Electrical Code that they are using.


Joe
I did not mean to assert that mine was an NEC definition but that does not mean that the one I offered is without merit. I was drawing from the multiple times that the NEC uses the phrase one or more conductors that is obviously based on whether that particular cable type is available in a single conductor version. If you have an authoritative description that contradicts this it would be useful if you would share it.
--
Tom


Tom Horne

"This alternating current stuff is just a fad. It is much too dangerous for general use" Thomas Alva Edison
Re: Conductor vs Cable #81439
09/07/02 07:38 PM
09/07/02 07:38 PM
Joe Tedesco  Offline
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
Glenn and Tom:

110.3(B) could be considered, and when I searched the Southwire Glossary this is what came up when I searched for the term Cable. See the Scope statement in Article 100 as well.

Cable: A term generally applied to the larger sizes of bare or weatherproofed (covered) and insulated conductors, also applied to describe a number of insulated conductors twisted or grouped together.

As far as the question concerning the "weep hole" it is to be used for that purpose only. The 2002 NEC revision in 110.12(A) and the NECH Commentary make that clear.


Joe Tedesco, NEC Consultant
Re: Conductor vs Cable #81440
09/07/02 10:45 PM
09/07/02 10:45 PM
G
George Corron  Offline
Member
Joined: May 2001
Posts: 717
Lorton, Va USA
UL states that triplex and quadruplex are only investigated as single conductors only, they have NOT, nor have they been, investigated as an assembly.

The info is on the UL website. It is also on my computer at work, if anyone cannot find the reference, and needs it for some reason, let me know and I'll post it early Monday morning.


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