How to bond a instrument transformer

[Lucas Organ]

Hey all, I am running to some practice questions that as me on how to bond a instrument transformer that is in a enclosure. The 2009 CEC was very clear on this out of section 10 however now not so much. Anyone able to give guidance on this, thank you so much in advance

 

[LarryFine]

Do you mean the metering circuit or the transformer frame?

 

[Lucas Organ]

Im am going to say frame. But whatever information you have helps or guidance you can give would be great

 

[LarryFine]

Well, if the transformers are solidly bolted to the enclosure, which should be bonded to the neutral, they're bonded.

For the circuit wiring, there should be a circuit neutral, bonded to a terminal that is effectively connected to neutral.

 

[Lucas Organ]

Okay thanks so much, so just to clear this up for me, Bonding the frame to the enclosure is considered bonded ( for the frame). As for the wring, the grounding or bonding would be done so through the neutral wire connection.

thanks again so much

 

[Eddy_Current]

Hey all, I am running to some practice questions that as me on how to bond a instrument transformer that is in a enclosure. The 2009 CEC was very clear on this out of section 10 however now not so much. Anyone able to give guidance on this, thank you so much in advance

Post an example of one of these practice questions. It will be easier to tell you what they are looking for and what the code requires.

 

[Lucas Organ]

Sorry but the question was very vague. It simply just said how to ground a newly installed instrument transformer