But what about permanently connected products?
-----Original Message-----
From: Rich Nute [mailto:[email protected]]
Sent: Friday, December 03, 1999 8:53 AM
To: Mavis, Robert
Cc: [email protected]
Subject: Re: AC Mains Color Coding
Hi Robert:
> Yes certain UL standards have accepted the Lt Blue for the neutral. But
> therein lies the conflict. The NEC states that the neutral (grounded
> conductor) must be white or nat. Gray. Has there been an acceptance by
the
> NEC for the blue neutral??
Yes, the NEC does indeed accept blue for
the neutral color for cords, but not for
building wiring. See:
Cords: NEC Articles 200(c), 400-22(c), 400-23.
Buildings: NEC Articles 200-7, 210-5.
Specifically, 400-22(c):
"For jacketed cords furnished with
appliances, one conductor having its
insulation colored light blue..."
(UL would not accept blue unless the NEC
first accepted blue.)
Best regards,
Rich
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