05:59PM | 07/27/05
Member Since: 07/20/05
17 lifetime posts

I'm running new 20 amp circuits for a bathroom renovation...sent my step-son to ***** for 12-2 sheathed electrical cable; & he comes back with yellow cable (the package is labeled 12-2G Type NM-B.)

I haven't done any wiring in this something new?

Can I use it for typical interior 20 amp appliance circuits?




06:59PM | 07/27/05
Member Since: 04/25/05
1915 lifetime posts
The B indicates an imporved installion. Been standard for a number of years.

Color coding the cable in fairly new in the last couple of years.

white - #14

yellow - #12

orange - #10

What you have is standard #12 "sheathed electrical cable" and can be use for 20 amp appliance circuits.


03:35PM | 07/28/05
Member Since: 07/20/05
17 lifetime posts

Thanks !!!



06:53PM | 07/28/05
Member Since: 05/03/05
79 lifetime posts
The industry joke is the manufacturers had to color the wire for the inspectors!

Actually I like the color wire now that I have gotten used to it. It makes it easy to find in the trucks, inventory when on shelves and actually see what size wiring is going where!


06:55PM | 07/28/05
Member Since: 05/03/05
79 lifetime posts
Forgot to tell you what the B is for--Old sheathed electrical cable used to have 60 degree conductor insulation. The new sheathed electrical cable has 90 degree conductor insulation hence the designation B identifier.


01:45PM | 07/29/05
Member Since: 07/20/05
17 lifetime posts




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