Romex To Steam Pipe Clearance?

K2 · 02-21-2007, 07:12 PM

Is there a code on romex to heat pipe, in my case steam pipe? I can get 6 to 8 inches clearance. Thanks..

mdshunk · 02-21-2007, 07:36 PM

Nothing in the code. Romex is sized off the 60º celcius chart, so presumably you can locate it anyplace the temperature won't exceed 140º Fahrenheit. Seems like keeping it 6 or 8 inches away would probably suffice. If ambient will exceed 140, then you'd need to derate.

K2 · 02-22-2007, 12:10 AM

I think I'll make an isolation soffit/chase /bulkhead for the wires. Steam pipe is bigger than hotter and I've seen hw at 230 or 240*. it's for my own house and I might last another 30 years and i don't want to have to fix anything.

Thanks.

Sparky Joe · 02-22-2007, 10:01 PM

Avoiding problems down the road is an excellent reason to take extra steps early on

02-21-2007, 07:12 PM	#1
K2 View Profile K2 Pro Send Message Follow Blogs (0) Threads (2,604) Photos (0) Reviews (0) Projects (0) Toolbox (0) View All Activity Pro Trade: Licensed Colorado electrician, licensed B-1 GC Join Date: Jul 2005 Location: Colorado Front Range Posts: 2,604	Romex To Steam Pipe Clearance? Is there a code on romex to heat pipe, in my case steam pipe? I can get 6 to 8 inches clearance. Thanks..

02-21-2007, 07:36 PM	#2
mdshunk View Profile mdshunk DGR,IABD Send Message Follow Blogs (0) Threads (9,680) Photos (0) Reviews (0) Projects (0) Toolbox (0) View All Activity DGR,IABD Trade: Electrical; Commercial and Residential Service Join Date: Mar 2005 Location: Central PA Posts: 9,680	Re: Romex To Steam Pipe Clearance? Nothing in the code. Romex is sized off the 60º celcius chart, so presumably you can locate it anyplace the temperature won't exceed 140º Fahrenheit. Seems like keeping it 6 or 8 inches away would probably suffice. If ambient will exceed 140, then you'd need to derate.

02-22-2007, 12:10 AM	#3
K2 View Profile K2 Pro Send Message Follow Blogs (0) Threads (2,604) Photos (0) Reviews (0) Projects (0) Toolbox (0) View All Activity Pro Trade: Licensed Colorado electrician, licensed B-1 GC Join Date: Jul 2005 Location: Colorado Front Range Posts: 2,604	Re: Romex To Steam Pipe Clearance? I think I'll make an isolation soffit/chase /bulkhead for the wires. Steam pipe is bigger than hotter and I've seen hw at 230 or 240. it's for my own house and I might last another 30 years and i don't want to have to fix anything. Thanks. Last edited by K2; 02-22-2007 at 10:54 PM. Reason: I type faster than I "Think".*

02-22-2007, 10:01 PM	#4
Sparky Joe View Profile Sparky Joe Union Electrician Send Message Follow Blogs (0) Threads (1,217) Photos (0) Reviews (0) Projects (0) Toolbox (0) View All Activity Union Electrician Trade: Inside Wireman Join Date: Apr 2006 Location: Salt Lake City Posts: 1,217	Re: Romex To Steam Pipe Clearance? Avoiding problems down the road is an excellent reason to take extra steps early on

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