ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals

Topic Options
Rate This Topic
#168936 - 09/20/07 09:17 PM 3 Phase Sharing Neutral
Cinner Offline
Member
Registered: 12/01/04
Posts: 78
Loc: Kelowna, B.C., Canada
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?

Top
Work Gear for Electricians and the Trades
#168937 - 09/20/07 09:36 PM Re: 3 Phase Sharing Neutral [Re: Cinner]
Tesla Offline
Member
Registered: 06/16/04
Posts: 1273
Loc: Sacramento, CA
Not in commercial practice.
_________________________
Tesla
Top
#168938 - 09/20/07 11:33 PM Re: 3 Phase Sharing Neutral [Re: Tesla]
frenchelectrican Offline
Member
Registered: 02/06/03
Posts: 939
Loc: Wi/ Paris France { France for ...
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?)

Top
#168942 - 09/21/07 03:17 PM Re: 3 Phase Sharing Neutral [Re: frenchelectrican]
bigrockk Offline
Member
Registered: 01/25/03
Posts: 174
Loc: Middle of Canada
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)

Top

Member Spotlight
Member Since: 05/03/03
Posts: 1137
New in the Gallery:
SE cable question
Featured:

2017 NEC and Related
2017 NEC
Now Available!

Shout Box


Who's Online
0 registered (), 93 Guests and 9 Spiders online.
Key: Admin, Global Mod, Mod
 
New in the Gallery:
SE cable question
 
Top Posters (30 Days)
Admin 47
HotLine1 43
gfretwell 19
Ruben Rocha 12
Trumpy 9
 
Newest Members
KrmtFrg, Stack, Scotto, Freecrowder, clee512

ECN Electrical Forums - sponsored by Electrical Contractor Network - Electrical and Code Related Discussion for Electrical Contractors, Electricians, Inspectors, Instructors, Engineers and other related Professionals