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Romex color code?

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Romex color code? # Fred # 12-17-2006
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Posted by # Fred # on December 17, 2006, 7:56 pm


My house has one set of romex with an overall outer cover jacket black and
the other white. Is there a standard convention like one color for lighting
and the other for power or something else?



AppliancePartsPros.com, Inc.
Posted by RBM on December 17, 2006, 8:00 pm


There is a fairly new color code Yellow is 20 amp and orange is 30 amp. I
don't know of any other colors that have any significance.


> My house has one set of romex with an overall outer cover jacket black and
> the other white. Is there a standard convention like one color for
> lighting and the other for power or something else?
>



Posted by Nate Nagel on December 17, 2006, 8:16 pm


# Fred # wrote:
> My house has one set of romex with an overall outer cover jacket black and
> the other white. Is there a standard convention like one color for lighting
> and the other for power or something else?
>
>

No, although it seems that there is an unofficial color code for romex
jackets in use nowadays. 14/2 is generally white and 12/2 is generally
yellow. this just makes it less likely for an installer to grab the
wrong spool of wire when working fast.

In my house, however, I have at least one run of 14/2 with a blue jacket
(which I think is now generally used for 10/2?) and one run of 12/2 with
a black jacket. Since there's no OFFICIAL color code the mfgr. can make
it any color they want.

nate

--
replace "fly" with "com" to reply.
http://home.comcast.net/~njnagel

Posted by Gary on December 17, 2006, 11:34 pm


I was at home depot the other day and noticed rolls of 14/2 that had blue
jacketing. i asked the fellow what it was for and he says a code is being
proposed that blue wire be used for circuts on arc fault breakers like for
bedroom outlets so it is easy to distinguish for the inspector.


># Fred # wrote:
>> My house has one set of romex with an overall outer cover jacket black
>> and the other white. Is there a standard convention like one color for
>> lighting and the other for power or something else?
>
> No, although it seems that there is an unofficial color code for romex
> jackets in use nowadays. 14/2 is generally white and 12/2 is generally
> yellow. this just makes it less likely for an installer to grab the wrong
> spool of wire when working fast.
>
> In my house, however, I have at least one run of 14/2 with a blue jacket
> (which I think is now generally used for 10/2?) and one run of 12/2 with a
> black jacket. Since there's no OFFICIAL color code the mfgr. can make it
> any color they want.
>
> nate
>
> --
> replace "fly" with "com" to reply.
> http://home.comcast.net/~njnagel



Posted by on December 18, 2006, 12:57 am



>I was at home depot the other day and noticed rolls of 14/2 that had blue
>jacketing. i asked the fellow what it was for and he says a code is being
>proposed that blue wire be used for circuts on arc fault breakers like for
>bedroom outlets so it is easy to distinguish for the inspector.


Had not heard that one. Since the 2008 code will require AFCI on all
15 and 20a circuits I doubt it will really catch on.

The Southwire (newest owners of the "Romex" name) uses the standard
White 14ga
Yellow 12ga
Orange 10ga
Black 8ga or larger
Grey SE cable

Other manufacturers are somewhat following the lead but it has no
force of law.

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