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system ground
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  1. Canadian Electrical Forum
    Hey guys, I need your help. My employer and I are in disagreement about the proper connection of the Xo of a transformer. I've been tasked to prove my case. Here it is; 300KVA xfrmr, fed with (3)x(#500MCM Cu RW90) primary off of 3P-400A breaker and ran underground in a PVC raceway which is...
  2. Canadian Electrical Forum
    Hey guys, I need your help. My employer and I are in disagreement about the proper connection of the Xo of a transformer. I've been tasked to prove my case. Here it is; 300KVA xfrmr, fed with (3)x(#500MCM Cu RW90) primary off of 3P-400A breaker and ran underground in a PVC raceway which is...
  3. Canadian Electrical Forum
    I was having a discussion at work regarding the system ground termination at the transformer XO and where in the CEC was the rule that the system ground termination had to be CONTINUOUS from the feed through XO and then to chassis ground? That is how we do all of our terminations and perhaps it...
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