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2020 code
by shortcircuit - 02/11/20 04:30 PM
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 Fire Rating?
#160218
07/08/05 06:04 AM
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Joined: Dec 2000
Posts: 4,282
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In a firewall, I have to use rated steel boxes for my electrical work. Doesn't the use of these "data rings" by the low voltage crowd destroy the rating of that firewall? Renosteinke ![[Linked Image]](https://www.electrical-contractor.net/forum/el/renodata.jpg)
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 Re: Fire Rating?
#160219
07/08/05 08:21 AM
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Joined: Dec 2003
Posts: 886
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Have to admit even I am guilty of that from time to time. ![[Linked Image]](https://www.electrical-contractor.net/ubb/frown.gif) I would say yes, a steel box should be used depending on the rating of the wall and the proximity to any other boxes. -Hal
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Re: Fire Rating?
#160220
07/08/05 09:09 AM
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Joined: Jul 2004
Posts: 9,439
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When I was doing "Data" we had to respect "penetrations" just like everyone else. The problem is data doesn't usually get permitted/inspected. You will get caught by the life safety inspector, usually as part of an unrelated inspection.
In the case of this picture he would be looking at the exit light and say "that ain't gonna work" when he sees the other hole in his firewall.
Greg Fretwell
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Re: Fire Rating?
#160221
07/18/06 06:38 PM
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Joined: Mar 2004
Posts: 16
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Don't get caught defeating the rating of a firewall. The liability of that is NOT worth it.
Go to Hilti.com, and look under firestop products. There is some good info there.
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Re: Fire Rating?
#160222
07/20/06 02:40 AM
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Joined: Oct 2000
Posts: 2,720
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Renosteinke:
Doesn't the use of these "data rings" by the low voltage crowd destroy the rating of that firewall?
Heck ya, it does!!! Typical installations in my area (Southern California), for _ANY OUTLETS_ in rated walls / lids, is as follows:\ <OL TYPE=A> [*] The outlet would be (compatible to) a 4s box, with a 1 (or 2) Gang Ring mounted to it, [*] The 4s Box would be covered with a "Fire Pad", [*] The Low Voltage Cabling would enter the box via 3/4" EMT, which extends "Outside" of the rated wall / area. </OL> Scott35
Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
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Re: Fire Rating?
#160223
07/22/06 06:45 AM
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Joined: Oct 2000
Posts: 2,720
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*** BUMP-A-DEE-BUMP ***Bumping zee Thread up again for discussion-ary purposes! `El-Scotto35 ![[Linked Image]](https://www.electrical-contractor.net/ubb/smile.gif)
Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
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Re: Fire Rating?
#160224
07/22/06 11:09 AM
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Joined: Jan 2005
Posts: 5,316
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Scott, my original intention in posting this pic was two-fold:
I wanted to illistrate the importance of knowing more than just "your" part of the code; and,
I wanted to shame some data guys out there into actually thinking about how they're supposed to do things- as opposed to using all the short-cuts they've been able to get away with, as their work takes place after the inspector has left!
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Re: Fire Rating?
#160225
07/22/06 06:10 PM
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Joined: Dec 2003
Posts: 886
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You are wasting your time. Data guys, better known as computer geeks, have no shame.
-Hal
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 Re: Fire Rating?
#160226
07/22/06 07:05 PM
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Joined: Jul 2002
Posts: 8,277
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Hal, You are wasting your time. Data guys, better known as computer geeks, have no shame. ![[Linked Image]](https://www.electrical-contractor.net/ubb/biggrin.gif) It's only after a fire that these things are picked up by investigators. Fire-walls aren't put there for the sheer fun of it. These people should be made an example of. ![[Linked Image]](https://www.electrical-contractor.net/ubb/mad.gif)
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Re: Fire Rating?
#160227
07/22/06 09:43 PM
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Joined: Jul 2004
Posts: 9,439
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Part of my job was to teach them some shame ... or at least to get the problem fixed and get their boss a bill.
Greg Fretwell
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