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#116266 - 03/21/04 11:54 AM How not to hook up a rooftop A/C  
electure  Offline


Member
Joined: Dec 2000
Posts: 4,262
Fullerton, CA USA
Like this


[Linked Image]

[Linked Image]


Tools for Electricians:

#116267 - 03/21/04 10:52 PM Re: How not to hook up a rooftop A/C  
ThinkGood  Offline
Member
Joined: Aug 2002
Posts: 1,081
Milwaukee, WI
Very creative. Is the black tape duct tape or electrical tape?


#116268 - 03/21/04 11:06 PM Re: How not to hook up a rooftop A/C  
BigJohn  Offline
Member
Joined: Mar 2004
Posts: 391
Boston, MA
I'm trying to piece together what I'm looking at: The tie-wire is securing the smaller conduit inside the larger; the electrical tape is making a "weather-proof" seal between the two; a compression connector is screwed onto a close nipple; into the close nipple is screwed a ridgid coupling; into the rigid coupling is screwed another close nipple on top of which is another compression connector; out of the last compression connector comes what might be EMT?

Why spend all that time and material for an installation that turns out to be the definition of ratty? Why not install a box, or a change-over and it would be neat and compliant and safe. It doesn't even make sense!

-John


#116269 - 03/22/04 12:54 AM Re: How not to hook up a rooftop A/C  
DougW  Offline
Member
Joined: Jun 2003
Posts: 1,143
North Chicago, IL
Quote
Originally posted by John -
Why spend all that time and material for an installation that turns out to be the definition of ratty? Why not install a box, or a change-over and it would be neat and compliant and safe. It doesn't even make sense!


Aha! Now you see why it's here!

What I want to know is if it passed inspection?!


#116270 - 03/22/04 10:49 PM Re: How not to hook up a rooftop A/C  
wa2ise  Offline
Member
Joined: Nov 2002
Posts: 784
Oradell NJ USA
Quote
It doesn't even make sense!


The materials are probably what the installer had on hand at the time. The electrical tape as a seal will likely last about a month...


#116271 - 03/23/04 01:46 PM Re: How not to hook up a rooftop A/C  
Texas_Ranger  Offline
Member
Joined: Dec 2001
Posts: 2,402
Vienna, Austria
Did the inspector ba any chance wear some yellow thing with 3 black dots?
Or was he just an old buddy of the installer?


#116272 - 03/23/04 02:01 PM Re: How not to hook up a rooftop A/C  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
I'm not trying to justify the inspector passing this, but I think the true blame should be pinned on the degenerate that installed this.

Again, I'm not saying the inspector did a good job either.


Ryan Jackson,
Salt Lake City

#116273 - 03/23/04 04:30 PM Re: How not to hook up a rooftop A/C  
BigJohn  Offline
Member
Joined: Mar 2004
Posts: 391
Boston, MA
Quote
It's actually a piece of MC cable that's run into a 3/4" emt penetrating the roof. Then above, a piece of 1/2" emt is taped into the 3/4".
So, the tie-wire is securing larger conduit, and the tape is securing everything else? It's even worse than I thought! [Linked Image]

-John

[This message has been edited by BigJohn (edited 03-23-2004).]


#116274 - 03/26/04 10:20 AM Re: How not to hook up a rooftop A/C  
Jps1006  Offline
Member
Joined: Jan 2004
Posts: 615
Northern IL
That's what they gave him at the supply house when he said he needed an MC to sealtight connector.

MC into (what we call pipe to flex) to EMT to compression connector to heavywall coupling to sealtight connector to sealtight (LFMC)



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