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Joined: Nov 2004
Posts: 1
P
preben Offline OP
Junior Member
I am wiring a house with Dietrich TradeReady joists.The openings in the joists are 6x9 inches and the edges are rolled 90 degrees.The metal edge is very sharp and I feel that an insulator is necessary. Is there a special insulator available for these joists? Or is there another way to do it?

Joined: Dec 2003
Posts: 886
H
Member
Sounds to me like this is not a place for NM. If you are using AC, MC or EMT there should be no problem with sharp edges.

-Hal

Joined: May 2004
Posts: 697
D
Member
I don't have much experience with NM, or the joists you're talking about. If there are no special insulators available, maybe a piece of garden hose cut to length, slit lengthwise and slipped onto the sharp edge.

Dave

Joined: May 2004
Posts: 697
D
Member
Always a good idea to talk with the AHJ also.

Dave

spelling!

[This message has been edited by Dave55 (edited 11-13-2004).]

Joined: Dec 2000
Posts: 4,294
Member
Try Dietrich themselves!!

From their website:

Quote
"Be advised that both pipes and wires may need bushings or cable supports

They then refer you to Arlington Industries (yep, my favorite guys), for more


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