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#195391 - 07/29/10 11:25 PM flexible conduit repair  
jay8  Offline
Member
Joined: Jul 2005
Posts: 183
Vancouver, BC
Anyone know of an approved product that can be used to repair broken/separated flexible metallic conduit? I have a 4" flex with 500mcm feeders to switchgear with the flex broken. So I am hoping I can repair in place without shutdown, remove,replace flex, repull, reterminate, etc etc.


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#195394 - 07/29/10 11:35 PM Re: flexible conduit repair [Re: jay8]  
HotLine1  Offline


Member
Joined: Apr 2002
Posts: 6,799
Brick, NJ USA
Jay:

There is no product that I know of for what you described.

Looks like an R&R job


John

#195398 - 07/29/10 11:46 PM Re: flexible conduit repair [Re: HotLine1]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,057
Estero,Fl,usa
The first question would be how was it separated in the first place. You may have a physical damage problem that precludes FMC.
I have seen people weave this stuff back together but I still would not try it hot. This was not uncommon under computer room floors. I even had a picture in the IAEI magazine of that. Joe T may still have it on his web site in the violations area.


Greg Fretwell

#195405 - 07/30/10 07:06 PM Re: flexible conduit repair [Re: gfretwell]  
Tesla  Offline
Member
Joined: Jun 2004
Posts: 1,273
Sacramento, CA
Such damage, presumably within the Electrical Room, is very disturbing.

I rather suspect that the flex was buckled during the original installation.

Alternately, the custodian/owner has been stacking 'stuff' on top of the flex until failure.

We've all seen it: the E Room becomes the closet to jamb everything under the sun for the custodian.

I see an R&R in your future.


Tesla

#195409 - 07/31/10 01:41 AM Re: flexible conduit repair [Re: Tesla]  
noderaser  Offline
Member
Joined: Mar 2007
Posts: 404
Portland, Oregon, United State...
Duct Tape :P


#195459 - 08/03/10 10:34 PM Re: flexible conduit repair [Re: Tesla]  
jay8  Offline
Member
Joined: Jul 2005
Posts: 183
Vancouver, BC
It was likely due to installation damage since its location makes it unlikely to be hit. It was a little tedious but I was able to wind it back together since it was fairly close to the connector, which saved quite a bit of grief. I knew there were approved kits to repair in use underground conduit, so I was fishing for something similar for flex. thanks for the feedback - i will save the duct tape repair idea for another time.



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