Anyone familiar with blue sheathed 14/2?

I was in Home Depot yesterday and noticed they had blue sheathed 14/3. What is that for? It looks just like the white sheathed wire. I know that 12/3 is now yellow. But the blue....???
Gary
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Might be a way to easily identify wiring. The 10/3 is orange now. All used to be the same color, and it makes it easier to see what you have installed. What's wrong with blue? Better than pink.
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gary wrote:

Long overdue development. Makes inspection and line tracing far easier.
BTW, you wrote 14/2 in the subject line. You meant 14/3 as in the body of your post, right?
R
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oops I meant 14/2

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Only certain colors are reserved for use in electrical wiring, green & green with yellow stripes for grounding conductors, white, gray or three white stripes for grounded (often this is also a neutral) conductors and on a 4-wire, delta-connected system where one leg is grounded at midpoint, the conductor with the higher voltage to ground is identified orange. (The are some exceptions to there, but these are the most common.
That then leaves all the other colors available to indicate hot conductor. Using a specific color could have advantages in three-way circuits, multiple smoke-alarms that are required to trigger together, etc.

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