[Tfug] CMP *in* ductwork?

[William Stott]

CMP in ductwork? I'm sorry, but I hope this isn't your only option. This is
a bad idea, and violates codes (not all). I can look up the exact codes if
you want, but really, just go a different route if at all possible.

Will

-----Original Message-----
From: Harry McGregor [mailto:micros at osef.org] 
Sent: Monday, September 10, 2012 9:14 PM
To: tfug at tfug.org
Subject: Re: [Tfug] CMP *in* ductwork?

Hi,

Personal soap box....

I *HATE* CMP aka Plenum cabling.

US building codes are based on visible smoke, and CMP cabling has Teflon in
it to increase the temp at which it gives off visible smoke.

Personally I prefer the .eu way, which is more worried about bad things in
the smoke then the amount or when the smoke starts (ie low halogen cabling).

In either case, I have seen CMP cabling run inside duct work, don't know if
I would recommend it with evap or heavy heating loads....

-Harry



On 9/10/12 1:47 PM, Bexley Hall wrote:
> Hi,
>
> I can run CMP in plenum spaces.  But, can I also run it
> *in* (e.g., metal) ductwork?  This seems like it would be A Bad Idea 
> (TmReg)?
>
> Thx,
> --don
>
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