Green wire on traffic signals

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Re: Green wire on traffic signals

Originally posted by don_resqcapt19:
A "utility" doesn't necessarly mean a Poco or a Telco. It can also mean utility-type work.
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I don't agree. Look at 90.2(B). There is nothing to support the "utility type work" idea.
Don
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There's no reason to look at 90.2(b) because within the realm of traffic signals, neither I nor the City of NY accepts the NEC as an authority.
 
Re: Green wire on traffic signals

Originally posted by LawnGuyLandSparky:
neither I nor the City of NY accepts the NEC as an authority.
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Of course you don't, you made it clear yesterday that you believe "rules are for suckers" :roll:
 
Re: Green wire on traffic signals

Originally posted by tom baker:
One other commnet. What started this was the discussion about use of the green wire for other than grounding.
I submitted a code proposal for the 2008 NEC to allow continued use of this application.
I suggest that if you strongly belive in this practice, and thats it's safe, then you submit a comment to accept my proposal.
I am fairly sure the CMP will vote to reject my proposal. Of course if enough comments were made they could change there vote at the comment stage.
Its always been a violation. So are a lot of the common traffic signal installations I see.
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T.S. construction and maintainence is unlike most other electrical work. It's safer to use red for red signals, yellow for yellow signals, and green for green signals, with a white neutral, than the arrangement the NEC would have us use simply to meet the expectations of inside wiremen.

Any inside wiremen can easily adapt (I did) and IMHO those who cannot have no business in the electrical industry to begin with...

I've asked before but no one has taken the task, should a 747 have to comply with the NEC? How about an automobile?

In NY we have a subway code, an MTA code, a Schools construction authority code, a port authority code, none of which recognize the NEC or it's self-imposed authority. Most of these codes are better, higher, or go a few steps beyond what the NEC would call for, but there are a few articles here and there which aren't as safe, strict, or stringent as the NEC.

But taken as a whole, in context, perfectly safe and more than reasonable.

I'm more than willing to back you up. Just tell me where to start.
 
Re: Green wire on traffic signals

Originally posted by LawnGuyLandSparky:
I've asked before but no one has taken the task, should a 747 have to comply with the NEC? How about an automobile?
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That question is answered in the NEC.

90.2(B) Not Covered. This Code does not cover the following:

(1)Installations in ships, watercraft other than floating buildings, railway rolling stock, aircraft, or automotive vehicles other than mobile homes and recreational vehicles
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Now as a reminder of what is covered.

90.2 Scope.
(A) Covered. This Code covers the installation of electric conductors, electric equipment, signaling and communications conductors and equipment, and fiber optic cables and raceways for the following:

(1)Public and private premises, including buildings, structures, mobile homes, recreational vehicles, and floating buildings
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To the NEC a light pole is a structure.

From Article 100
Structure. That which is built or constructed.
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IMO Tom is right that this equipment should be installed per the NEC.
 
Re: Green wire on traffic signals

Lawnguy, things just don't seem to be going your way do they? :D

Roger

[ February 09, 2006, 05:56 PM: Message edited by: roger ]
 
Re: Green wire on traffic signals

Originally posted by roger:
Lawnguy, things just don't seem to be going your way do they? :D

Roger
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I agree we should listen to those in the know, but, there's nothing wrong with a healthy debate. Green wires are often used as hots in the automotive industry. :p Of course this is irrelevant.
 
Re: Green wire on traffic signals

Originally posted by BruceH:
Green wires are often used as hots in the automotive industry. :D

Roger
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Re: Green wire on traffic signals

I have been installing traffic signals for the last 18 years in the state of Virginia and I have seen alot of changes in grounding and bonding of theses systems, but as far as the green wire issue goes, I like it. Let's not change a good thing.
I'm a IMSA Level III TS and that's just the way it is.
 
Re: Green wire on traffic signals

roger said:
Lawnguy, things just don't seem to be going your way do they? :D

Roger

[ February 09, 2006, 05:56 PM: Message edited by: roger ]
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Einstein was considered by many, including all of his teachers, to be an imbecile!
 
TS are out of my league, having only worked on one back in the late 60s, but IMHO the NEC should take a look and allow for an exception or something as far as their color coding. I didn't have a problem ts that TS then and I don't think that I would have any problem with it today.
 
Re: Green wire on traffic signals

LawnGuyLandSparky said:
Einstein was considered by many, including all of his teachers, to be an imbecile!
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So you're comparing yourself to Einstein? What's your point? :roll:
 
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