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Re: Couple questions about circuit breakers



Original poster: "David Sharpe by way of Terry Fritz <teslalist@qwest.net>" <sccr4us@erols.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@qwest.net>" <potluck@xmission.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