I have a lot of older 12-2 NM-B cable with a white jacket that I would like
to use for some new circuits in a shop area. I pulled it up from the
basement and over the garage roof many years ago, but never connected it.
Can I still use this from the breaker box to the outlets and switches, and
change to the newer yellow jacketed wire for the ceiling lights? Or will I
need to pull it all out and throw it away, and replace it with the newer
Better check your ceiling light ratings. 12-2 may be overkill. Copper
prices are still rather high, so you may want to use cheaper 14-2 for
your lights and save the 12-2 (white or yellow) for later required 20
A circuits. The rationale for the new wire jacket colors (so I have
been told) was to help building inspectors make sure the contractors
were using the right gage according to code.
Compared to when? Romex was around $80 +/- for 250' of 14-2 at its
peak, and now it is $28. 12-2 is about $38, down from a high of
around $100. Copper pipe is less than 1/2 the price of what it was 3
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