What's the difference between 10 2 wire and 10 3 wire?

Difference Between 12/2 And 12/3 Wire

What's the difference between 10 2 wire and 10 3 wire? Wire vs doityourself hours

12-2 wire vs 12-3 wire

12-2 Wire vs 12-3 Wire | DoItYourself.com

What's the difference between 10 2 wire and 10 3 wire?
What's the difference between 10 2 wire and 10 3 wire?

12-2 Wire vs 12-3 Wire | DoItYourself.com
12-2 Wire vs 12-3 Wire | DoItYourself.com