Re: Couple questions about circuit breakers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "David Sharpe by way of Terry Fritz <teslalist-at-qwest-dot-net>" <sccr4us-at-erols-dot-com>

Rick

All power poles of a molded case circuit breaker (MCCB) are  required
by the National Electric Code to operate (open) if a short circuit should
occur on either or both poles...

Regards
Dave Sharpe, TCBOR
Chesterfield, VA. USA

Tesla list wrote:

 > Original poster: "Richard W. by way of Terry Fritz 
<teslalist-at-qwest-dot-net>" <potluck-at-xmission-dot-com>
 >
 > Hi all,
 >
 > Would appreciate a little info about breakers.
 > If one side of a 2 pole or tandem breaker trips does that open the other
 > side as well?
 >
 > Thanks!
 >
 > Rick W.
 > Salt Lake