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0 members (),
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Key:
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Joined: Oct 2000
Posts: 3,685 Likes: 4
OP
Administrator Member
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These runs of 3/4 flex were originally intended for phone/data lines. The installer found a novel way to ease his pull.
You might also note the failure to close the holes in the drywall around the flex- and this is a firewall. OOPS!
- renosteinke ![[Linked Image]](https://www.electrical-contractor.net/Forum/Images/Flex_Support.jpg)
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Joined: May 2001
Posts: 717
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Uhhh, I hate to correct you here, but you mean
WAS a firewall.
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Joined: Apr 2004
Posts: 349
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I always knew there was a reason they put them spirals on that stuff.
There are 10 types of people. Those who know binary, and those who don't.
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Joined: Jun 2002
Posts: 58
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What appears to be the edge of an air handler on the left side may just mean this is an air plenum.
If so, Art. 300.22 has a bunch of requirements that aren't met.
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Joined: Jan 2005
Posts: 5,476 Likes: 3
Cat Servant Member
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Good thought, Energy. In fact, the unit is a heat pump, with a separate intake duct- so the space is not a plenum.
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Joined: Feb 2005
Posts: 693
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You mean that we're not looking at an air filter on the side of the unit?
Larry Fine
Fine Electric Co.
fineelectricco.com
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Joined: Jan 2005
Posts: 5,476 Likes: 3
Cat Servant Member
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Correct... though I can't say what that really is! The unit is completely contained...a duct for air in and a duct for air out....the heat exchanger is inside, and transfers heat to water, which is piped to the rooftop cooling tower.
I repeat....there is no deliberate air circulation in this ceiling space.
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Posts: 22
Joined: August 2009
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