wire color [RE-wrenches]

[Dean T. Newberry]

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Hi Marco

To Wit:
NEC 2002 Article 200
200.7 Use of Insulation of a White or Gray Color or with Three 
Continuous White Stripes.
(A) General. The following shall be used only for the grounded circuit 
conductor, unless otherwise permitted in 200.7(B) and (C):  
(1)    A conductor with continuous white or gray covering
(2)    A conductor with three continuous white stripes on other than 
green insulation
(3)    A marking of white or gray color at the termination

Thereyago

cul  deant

Marco Mangelsdorf wrote:

>
>Ray,
>Either I'm missing something here or am really lame.  Under what
>circumstances are your code-compliant systems ungrounded?  I thought that in
>the Land of the NEC ALL PV systems (other than, say, modules on the roof of
>an RV) must have the negative conductor grounded to ground at some point in
>the system.
>
>marco
>ProVision
>
>I use red for positive that's legal for all
>instances. We use black for neg for lower voltage and when the negative is
>left ungrounded. If it is an ungrounded conductor then it is NOT required
>to be  white or grey. It should be black.
>If its grounded we use white, or black with white tape stripes. I think
>black wire with a white stripe might be a good compromise. It is available
>in automotive wire.
>
>Ray
>  
>

-- 
Dean T. Newberry
Marketing and Sales

Quantum Energy Group
265 Applegate School Road, P.O. Box 158
Applegate, Ca. 95703

Email:  deant at dcn.org

Cell:      530 867-2392
Office:  530-878-4585
Fax:      530-878-6685 

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