Hi Robert.

I do not know about availability in the US but in the UK 
green/yellow electrical grade sleeving is available in various 
diameters (100 m reel lengths).
A short length of green/yellow sleeving over the earth  where 
the cord is stripped back  may be a solution to your 
problem. 
Would probably require to be secured with adhesive ?

The sleeving is primarily intended for the electrical installation 
contractors market where twin and ECC cable is terminated in sockets/ 
light switches etc. and there is a requirement in the 
national IEE electrical wiring regulations BS7671
that the bare ECCs should be insulated and identified. 
(and used anywhere else an Earth Continuity Conductor (ECC) conductor 
needs to be identified)

Eric.

On  6 Nov 00 at 9:53, Loop, Robert wrote:

> 
> Group,
> 
> We are looking at a Class 1, cord connected product that utilizes a NEMA
> 5-15P plug on one end and is wired to a non-service accessible terminal
> block in the rear of the unit with a Recognized compression fitting for
> strain relief.  The product is being evaluated against UL1950.
> 
> Here's the problem:
> 
> The manufacturer only wants to sell the product in the USA and is using a UL
> listed cordset with US color code (black/white/green).  Clause 2.5.5
> requires that the ground wire be bare or green with a yellow stripe.  They
> have expressed an unwillingness to change out the cordset claiming ( in
> which my experience agrees) that no one sells a cordset with
> black/white/green-yellow color code. 
> 
> In order to meet the letter of the clause, we could require them to strip
> the 1-1/2 " portion of the green wire that extends past the outer jacketing,
> but it seems like a backhanded way of meeting the Clause (does the bare wire
> make the product any safer?).
> 
> I remember some clause in 1950 making reference to installing the product
> "in accordance with the national wiring rules", but can't seem to locate it.
> If that's the case, and the NEC does recognize the black/white/green color
> code, what's the best answer to resolve this?
> 
> Your engineering expertise and enlightenment is always welcomed.
> 
> 
> Sincerely,
> Robert Loop
> Engineering Supervisor
> Wyle Laboratories 
> Product Safety
> ph - (256) 837-4411 x313
> fax- (256) 721-0144
> e-mail: [email protected]
> 
> 
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