ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat
Recent Posts
Al Hildenbrand - Minneapolis - obituary
by Bill Addiss - 02/03/23 07:38 PM
Violation?
by renosteinke - 01/27/23 09:52 PM
Does NEC 551.71 (F) apply to dwellings?
by BigB - 01/20/23 10:46 AM
Power submeter connections
by HotLine1 - 01/19/23 09:09 AM
New in the Gallery:
Burger King crown sillyness
Burger King crown sillyness
by wa2ise, December 11
240/208 to a house
240/208 to a house
by wa2ise, October 9
Who's Online Now
0 members (), 19 guests, and 16 robots.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
#168936 09/20/07 11:17 PM
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)



Link Copied to Clipboard
Featured:

Tools for Electricians
Tools for Electricians
 

* * * * * * *
2023 National Electrical Code (NEC)
2023 NEC Now Available!
 
* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
Scott35
Scott35
Anaheim, CA. USA
Posts: 2,722
Joined: October 2000
Top Posters(30 Days)
triple 3
BigB 3
Popular Topics(Views)
303,167 Are you busy
232,171 Re: Forum
216,910 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.5