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ekstra   ara
 Post subject: Air gap clearance between bubars
PostPosted: Mon Dec 06, 2010 9:08 am 

Joined: Mon Dec 06, 2010 8:44 am
Posts: 1
Air gap clearance between busbars

Hello everyone,
I am new to this form and hope to learn more about arc flash safety practices. My questions are :
1- What is the allowable air gap clearance between live busbars (line-to-line) in 600V system (indoor).
2- Is there any possibility for air ionization between live busbars which may cause arc flash in 600 V, what is the air gap clearance which can cause this.

Thanks


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