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#83140 - 01/14/03 08:07 PM Can I Use Cable Ties with MC Cable?  
Joe Tedesco  Offline
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
Quote
Joe
I seem to frequently be involved in discussions over the use of cable ties as a supporting means for Metal-Clad Cable. Section 330.30 doesn't clearly state that cable ties can be used as a support method. I am aware that cable ties are clearly defined as a approved method in the following code locations, 320.30 Armored Cable, 334.30 Nonmetallic-Sheathed Cables, 338.10(B)(b) Service-Entrance Cable and 340.10(4). Could you give us your take on this subject?

Thanks


I would have no problem using cable ties, see 330.30 Securing and Supporting.
Type MC cable shall be supported and secured at intervals not exceeding 1.8 m (6 ft).


Joe Tedesco, NEC Consultant

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#83141 - 01/14/03 08:21 PM Re: Can I Use Cable Ties with MC Cable?  
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,303
wasn't it panduit that achieved a listing status for 'support' a while back?


#83142 - 01/14/03 10:02 PM Re: Can I Use Cable Ties with MC Cable?  
HotLine1  Online Content


Member
Joined: Apr 2002
Posts: 6,799
Brick, NJ USA
Joe:
Don't forget the plenum rated tye wrpas for the drop ceiling areas.

John


John

#83143 - 01/30/03 08:28 PM Re: Can I Use Cable Ties with MC Cable?  
John Steinke  Offline
Member
Joined: Apr 2001
Posts: 518
Reno,Nv., USA
FYI: Name-brand wire ties are "annealed" in a glycol bath, which has the effect of doubling their strength. No-name ties may not be so treated.


#83144 - 01/30/03 10:25 PM Re: Can I Use Cable Ties with MC Cable?  
Joe Tedesco  Offline
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
Spaces above dropped ceilings used for environmental air are not plenums, see 300.22(C).

A plenum is defined in Article 100

A compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system.

I would use metallic types of ties instead of any that are nonmetallic.


Joe Tedesco, NEC Consultant


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