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

Difference Between 14/2 And 14/3 Wire

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

10 2 Vs 10 3 Wire

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

10 2 Vs 10 3 Wire
10 2 Vs 10 3 Wire