Hi Lauren
In Europe a brown grounded conductor seems only to apply in
the automobile industry.
I however recently had some equipment field labelled and was picked up on
the point of the white wire with a blue stripe.
However the inspector allowed it to pass on the understanding that all
future units had the correct colour wire and the drawings for the
particular system carried a note highlighting the difference
Regards
Brian Harlowe
-----Original Message-----
From: Crane, Lauren [SMTP:[email protected]]
Sent: 16 May 2000 13:59
To: [email protected]
Subject: Color of grounded DC return conductor.....
I dislike subjective questions like this....but I have to ask.
The company I work for has a history of using brown wire for grounded DC
returns.
I would like to get our Eng. design department to conform to NFPA79 because
occasionally our tools must undergo field labeling to it.
NFPA 79 asks for white with a blue stripe for this regime of circuit.
Does anyone have an opinion on the risk of not following NFPA79 in this
regard?
Has a machine ever been refused a field label for something as non-safety
related as the color of a DC ground return wire?
All opinions welcome....sage and wise ones preferred.
Lauren E. Crane
* AXCELIS TECHNOLOGIES
* (Formerly Eaton Corporation, SEO)
* Ion Beam Systems Division
* Manager - Product Design Safety and Compliance
* [email protected] 978.921-9745
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