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Which came first? The air line or the switch? #176233 03/26/08 07:47 PM
Joined: Oct 2000
Posts: 3,636
Admin Offline OP
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Quote
While doing a gut and remodel in a former grocery store, i had to get the camera out and take a picture of this beauty>>>>>

enjoy

Denny

[Linked Image from electrical-photos.com]

2017 / 2014 NEC & Related Books and Study Guides
Re: Which came first? The air line or the switch? [Re: Admin] #176246 03/27/08 07:32 AM
Joined: Apr 2003
Posts: 139
B
BPHgravity Offline
Member
I wonder if that box has been arranged to drain...


Bryan P. Holland, ECO.
Secretary - IAEI Florida Chapter
Re: Which came first? The air line or the switch? [Re: BPHgravity] #176247 03/27/08 07:53 AM
Joined: May 2005
Posts: 984
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ghost307 Offline
Member
Was this part of the building automation system?

It looks like they originally designed the job as electronic with 4-20mA control signals; and somebody wanted to save money by installing the old-style pneumatic control system.

smile


Ghost307
Re: Which came first? The air line or the switch? [Re: ghost307] #177179 04/24/08 11:23 AM
Joined: Mar 2008
Posts: 76
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packrat56 Offline
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Nice


I have a sense of adventure, I just keep it leashed with common sense.
Re: Which came first? The air line or the switch? [Re: packrat56] #177645 05/09/08 05:26 AM
Joined: Aug 2005
Posts: 7
S
sysrq Offline
New Member
Looks to me that they used the box as a bracket for the pipe maybe?

Re: Which came first? The air line or the switch? [Re: sysrq] #177649 05/09/08 05:50 AM
Joined: Mar 2005
Posts: 1,213
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SteveFehr Offline
Member
Originally Posted by sysrq
Looks to me that they used the box as a bracket for the pipe maybe?
3/4" threaded knock-outs would be perfect for a 1/2" pipe. It does appear that the weight of that pipe is resting on the box.

I did something similar to this in my house, using a 4x4 blue box to hold the hose bibb water shutoff valve. This way, it's flush-mounted inside the wall, matches the rest of the receptacles, and only cost $2.


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