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Old 02-13-2020, 06:00 PM   #41
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Q: Per the NEC, What color is required to be used on 3 phase 208 system ungrounded wires.
A: B-R-B
Was this the answer y'all were looking for, or what you kept getting?
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Old 02-13-2020, 07:12 PM   #42
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Was this the answer y'all were looking for, or what you kept getting?
That was the only aceptable answer they wanted.
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Old 02-13-2020, 09:20 PM   #43
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That was the only aceptable answer they wanted.
So..... They wanted dumb electricians? Or did I miss the point of your post?
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Old 02-13-2020, 10:40 PM   #44
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In the plant, I grew fond of yellow.
Yellow for me is an interlock wire colour...

Had a spec that DC was blue XLPE once - apparently it prevents electroendosmosis

Cheers
John
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Old 02-13-2020, 11:03 PM   #45
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Originally Posted by John Valdes View Post
In the plant, I grew fond of yellow. Built several control panels with only yellow and white.
However. Every wire including white, had a number on it.
A number that would stay on for awhile.




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Yellow for me is an interlock wire colour...

Had a spec that DC was blue XLPE once - apparently it prevents electroendosmosis

Cheers
John

*Yellow indicates an outside power source, so if you switch the main disconnect switch off in the cabinet you are working, the yellow wire would still be energized !
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Old 02-14-2020, 05:21 AM   #46
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So..... They wanted dumb electricians? Or did I miss the point of your post?
They wanted qualified electricians.

Maybe if the applicants had stayed in a Holiday Inn Express they would have given the wrong answers. Then the bosses would have been dazzled by the brightness.
Instead we hired a family member. He soon informed me that Ideal yellow pulling compound had been banned by everybody for use. Apparently it turns to concrete after a very short time.
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Old 02-14-2020, 07:13 AM   #47
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Red !

2,4,6 Black, red, blue 8,10,12 black red blue

or at 480V brown,orange yellow

You have to go with the running conduit group
Which is funny cuz I was about to say black, just to throw the Canuck card on the table.. lol Everything I've done up here is Red/Blk/Bl, or O/B/Y (when spec'd).
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Old 02-14-2020, 09:59 AM   #48
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A while back ago my boss, an Non electrician guy, headed an interview panel for a new spark position. They had several people on it and a list of 10 questions. They also had the required answers.
Here is a sample.
Q: Per the NEC, What color is required to be used on 3 phase 208 system ungrounded wires.
A: B-R-B

Q: What color is the green ground screw.
A: Depends on application.

My boss showed me the questions after telling me they didn’t hire anyone. Seemed no one could answer those and other questions posed.
I asked him were in gods name did they get these and other stupid questions. I shook my head and tossed the paper on his desk and walked out.

Now I’m not the sharpest pencil in the box. But man I seem to be the brightest bulb around here some days.

I actually had to count on my fingers LOL
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Old 02-16-2020, 03:06 PM   #49
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Is it a code violation to use Brown Orange Yellow on 120/240? No.

Neither is using a brown plate on a white device, but why would you?
What message does it project?
Funny you mentioned a brown plate on a white device. Years ago we had a customer with very bad eyesight and he like the two tone colors. He could see where the receptacles and switches were.
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Old 02-17-2020, 11:35 AM   #50
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*Yellow indicates an outside power source, so if you switch the main disconnect switch off in the cabinet you are working, the yellow wire would still be energized !
Check the latest versions of NFPA-79 and UL508A. I’m certain both require orange wire for that purpose. Previous versions okay’d yelllow.
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Old 02-17-2020, 11:45 AM   #51
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Check the latest versions of NFPA-79 and UL508A. I’m certain both require orange wire for that purpose. Previous versions okay’d yelllow.
I read something about that. I couldn't find it in the actual text though
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Old 03-18-2020, 12:36 PM   #52
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I could have sworn that I had read in the 2005 code book that it stated b-o-y, but in a newer edition it changed to something different.
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Old 03-18-2020, 06:16 PM   #53
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I believe the federal standard is 208/120 volts black - red - blue or 480/277 volts Yellow - brown - orange.
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Old 03-20-2020, 07:36 PM   #54
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It's probably not as bad as using Black Red & Blue on a 480 volt circuit but it's just not neat workmanship. The electrons don't care what color the wire is but as an electricians do. As a "temporary" hook up it's probably not as bad but for a permanent installation of branch circuits it sucks. Electricians have enough to battle with when trouble shooting. Using improper colors like that just makes it a bit more difficult for the next guy.
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Old 03-20-2020, 08:26 PM   #55
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I have found B,O,Y in 120-208 for home runs and B,R,B for switch legs and the reverse . Mostly in the Central Valley .
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