vesilvio/iStock/Thinkstock
Tdworld 2847 Threephase
Tdworld 2847 Threephase
Tdworld 2847 Threephase
Tdworld 2847 Threephase
Tdworld 2847 Threephase

Why Do Utility Companies Use '3 Phase Power'?

April 16, 2015
You Be The Expert! Best answer of the month wins a $50 gift card. Enter it in the comment section and make sure you register. Got a question to toss out to our readers? Send it to [email protected] and put "expert" on the subject line.

Q: Why do utility companies use "3 phase power"? Why not 4 phase, 5 phase etc? I'm not an engineer but I kind of understand what AC phase means. And please don't tell me about electricity being like water in a pipe. Thanks!
anon, TX

You Be The Expert!

Best answer of the month wins a $50 gift card. Enter it in the comment section and make sure you register.

Got a question to toss out to our readers? Send it to [email protected] and put "expert" on the subject line.

Voice your opinion!

To join the conversation, and become an exclusive member of T&D World, create an account today!