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#168936 09/21/07 12:17 AM
Joined: Dec 2004
Posts: 78
C
Cinner Offline OP
Member
When sharing a neutral with three phases: red, black, and blue do you require a 3 pole breaker tripping the other two phases if one phase trips?


Joined: Jun 2004
Posts: 1,273
T
Member
Not in commercial practice.


Tesla
Joined: Feb 2003
Posts: 939
F
Member
right now not need to tied in commercal loacation but there is a change in 08 code cycle it will requried all MWBC have to be use the common tied breaker that go with resdnetneal area as well

merci , marc


Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)

Joined: Jan 2003
Posts: 174
B
Member
Cinner,

I see you are from Kelowna, B.C so if you are looking for a rule in the CEC checkout 14-010(b). (19th edition CEC)



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