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Greenhouse Wiring #107010 12/28/04 08:54 PM
Joined: Oct 2000
Posts: 3,632
Admin Offline OP
Administrator
Member
(submitted via Joe Tedesco)
Quote
I was visiting a retail greenhouse with my wife and found this power distribution center.

What interested me most were the "clear" low voltage wires entering the power panel. Tracing them, I discovered the "clear" wires are speaker wires from the paging built into the telephone. The "white" low voltage wiring also intering the panel comes directly from the phone.

Apparently, someone thought it was a good idea to splice low voltage speaker wires in the 120/208V panel - for safety!.

The open green and white conductors into the plug in the GFI box are for the festoon lighting.

tom Mason
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2017 / 2014 NEC & Related Books and Study Guides
Re: Greenhouse Wiring #107011 12/29/04 08:44 AM
Joined: Aug 2001
Posts: 329
S
Steve Miller Offline
Member
Wonder who mounted the fire extinguisher next to it?

Re: Greenhouse Wiring #107012 12/29/04 12:38 PM
Joined: Nov 2003
Posts: 269
E
electricman2 Offline
Member
It has nothing to do with the violations, but who else besides me would have replaced the pipe coming into the top of the j-box rather than use a 3" piece and a coupling? Just not professional. JMO


John
Re: Greenhouse Wiring #107013 12/29/04 01:03 PM
Joined: Jul 2002
Posts: 8,346
Trumpy Offline
Member
Looks like there is a couple of short flexes there too.
I can't say that I like the idea of that (Green?) flex taking the wieght of the Yellow Multi-Box. [Linked Image]

Re: Greenhouse Wiring #107014 01/02/05 07:58 AM
Joined: Jan 2003
Posts: 4,391
I
iwire Offline
Moderator
I would bet that the low volt wires, some for the phone, some for speakers are not spliced in the panel. They are probably snaked into the main building through one of the PVCs heading underground.

Being PVC it would have been a simple mater to reroute the PVC outside the panel.

Unless....they snaked the low volt in a pipe with line volt. Say with the panel feeders.... [Linked Image]

What's with the white, black, green THHNs in a cord cap. [Linked Image]

I especially like the use of a standard receptacle plate on a wet location box, always a stylish choice. [Linked Image]

Bob


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Re: Greenhouse Wiring #107015 01/02/05 09:50 AM
Joined: Jul 2002
Posts: 8,346
Trumpy Offline
Member
Bob,
Quote
What's with the white, black, green THHNs in a cord cap
You're right!.
I didn't think that was a flex and it's carrying the wieght of that box.
And judging by the green algae around and the plastic cover that sits over the phone, this area gets wetted by the in-house irrigation system too.

Re: Greenhouse Wiring #107016 01/02/05 09:53 AM
Joined: Feb 2003
Posts: 358
M
mbhydro Offline
Member
Also on the same box with the standard plate it appears to me that the top two threaded ko plugs are missing on each end.

Re: Greenhouse Wiring #107017 01/02/05 05:43 PM
Joined: Feb 2004
Posts: 1,435
Lostazhell Offline
Member
where did the 2gang in use cap sitting on top of the panel fall off of? [Linked Image] Looking at the glass half full... At least those quad units have GFI cord caps [Linked Image]

Randy

Re: Greenhouse Wiring #107018 08/23/06 01:54 PM
Joined: Aug 2006
Posts: 25
L
lukemon2 Offline
Member
Nice COM Unit Setup


Luke McCoy The NEC Crazy Boy
Re: Greenhouse Wiring #107019 08/23/06 02:43 PM
Joined: Feb 2005
Posts: 693
L
Larry Fine Offline
Member
Let us not overlook the KO'ed entries into the panel above the lowest energized parts.


Larry Fine
Fine Electric Co.
fineelectricco.com
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