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Free Air THHN #117487 06/18/04 01:31 PM
Joined: Jan 2003
Posts: 4,391
I
iwire Offline OP
Moderator
I just came back from a work trip to NJ. We went to nine supermarkets and in each one I saw this same installation.

This controlled water flow to a sprinkler on the roof that would be activated by temperature to aid the cooling of the refrigeration condensers.

I did not have my camera with me when I saw the worst one with 24" of free air THHN.

[Linked Image]

[Linked Image]

Besides the obvious lack of protection for the conductors apparently the person installing these did not know plain gray 4" sq. switch covers are available, all the ones I saw where these oil burner covers.

Anyone think the plumber did the wiring? [Linked Image]


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Tools for Electricians:
Re: Free Air THHN #117488 06/18/04 03:31 PM
Joined: Sep 2003
Posts: 114
S
sparked Offline
Member
Maybe the plumber/electrician/whoever wanted the red coloring and writing "EMERGENCY SWITCH" on the cover. Thats still not a good enough excuse, because you can get plates made up to say whatever you like, or make them yourself with a plain steel cover and a can of Krylon. Also, does anyone else think the "Sharpie" writing on the cover is kind of hard to read?
edited to add question about sharpie

[This message has been edited by sparked (edited 06-18-2004).]

Re: Free Air THHN #117489 06/19/04 11:41 PM
Joined: Aug 2002
Posts: 1,081
T
ThinkGood Offline
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He forgot the comma after the word "roof." It's just to tell you where the wires go.

Re: Free Air THHN #117490 07/07/04 06:11 AM
Joined: Apr 2004
Posts: 55
B
Big Ed Offline
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Isn't that the new "Invisi-duit"? It lets you inspect the wires while it protects!

Re: Free Air THHN #117491 07/07/04 02:09 PM
Joined: Apr 2002
Posts: 7,216
HotLine1 Offline
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Bob:
Could the store be SR??? They are notorious for stuff like this. Usually the 'in-house' jack of all trades maintenance guys.

Had one a while ago, they used good old 16 ga orange ext cords, canibalized the female caps, and stuck THHN thru the holes in the male plug to splice onto a conv. outlet that was all busted up, on the roof.

John


John
Re: Free Air THHN #117492 07/08/04 11:30 PM
Joined: Jul 2004
Posts: 625
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SolarPowered Offline
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I take it that's not power-limited low-voltage control wiring?


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