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nesubra
Guru

Join Date: Nov 2006
Posts: 729
Good Answers: 2

Cable trays

08/01/2008 3:05 AM

Is thre any standard or practice of colour coding cable trays ?If so details Please.

Thanks

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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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Good Answers: 839
#1

Re: Cable trays

08/01/2008 3:32 AM

The shiny ones are new ones.

The rusty-coloured ones are old ones.

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8320
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United States - Member - NY Engineering Fields - Mechanical Engineering - BSME Clarkson University '83 Fans of Old Computers - TRS-80 - First PC experience Popular Science - Weaponology - New Member

Join Date: Apr 2005
Location: NY
Posts: 130
Good Answers: 7
#2

Re: Cable trays

08/01/2008 11:03 AM

If there is a standard, you might find it on the Cable Tray Institute website. In their FAQ section, they link to the NEMA standards for Cable Trays.
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Anonymous Poster
#3

Re: Cable trays

08/01/2008 12:50 PM

Cablofil offers the standard finishes, plus a black powder coat, and custom finishes, if requested.
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Anonymous Poster
#4

Re: Cable trays

08/04/2008 9:50 PM

We just finishing builiding a 180 Million Dollar Highspeed Sheet rock plant in Norfolk Va, we started with the 11kv mains on the top Cable tray with Red Cables and large yellow 11000 VAC sticker made on a highend lable maker, the next tray was 480VAC tray, the the 3rd lower tray was all 24vdc, fiber and control net cables, if you have to mix cables they all need to carry the rating of the highest voltage rated cable, all these listed in the NEC's
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Previous in Forum: Power Cable Insulation XLPE   Next in Forum: Nodal V.S. Mesh Analysis
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