View Single Post
  #8   Spotlight this post!  
Unread 04-02-2014, 16:11
Ether's Avatar
Ether Ether is offline
systems engineer (retired)
no team
 
Join Date: Nov 2009
Rookie Year: 1969
Location: US
Posts: 8,044
Ether has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond reputeEther has a reputation beyond repute
Re: 30A breakers for motor controllers?

Quote:
Originally Posted by Al Skierkiewicz View Post
Breakers are sized for the wire they feed. If you choose a smaller gauge wire then you may use a smaller breaker.
Isn't it the other way around?

If you choose a smaller gauge wire then you must use a smaller breaker.

Or maybe it's the ambiguity of the phrase "smaller gauge wire"...