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Joined: Feb 2003
Posts: 69
OP
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Do I need to bond the neutral of a 208v to 120v control transformer. The panel that feeds the transformer has the ground and neutral bonded inside the panel. It is a 500va transformer.
Thanks
"Yes I am a Pirate, 200 years to late" Jimmy Buffett
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Joined: Apr 2001
Posts: 507
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No, You can bond it or let it float at your option. I prefer to bond it...it makes voltage reading to ground more meaningful, makes troubleshooting easier.
GJ
[This message has been edited by golf junkie (edited 02-16-2004).]
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Joined: Apr 2002
Posts: 2,527
Moderator
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Please consider grounding the 120V-secondary winding. For 1000VA-and-under control-power transformers, NEC 250-30 allows the winding to be grounded with a simple 'case' jumper. The usual full-tilt grounding-electrode/building-steel connection is not needed. This is a real easy way to keep electrostatically-induced garbage off the control circuit.
[This message has been edited by Bjarney (edited 02-16-2004).]
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Joined: Feb 2003
Posts: 69
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Thanks for the answers. It will be bonded tomorrow!
"Yes I am a Pirate, 200 years to late" Jimmy Buffett
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Joined: Oct 2000
Posts: 2,722
Broom Pusher and Member
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I second Bjarney's suggestion! ![[Linked Image]](https://www.electrical-contractor.net/ubb/biggrin.gif) Scott35
Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
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Posts: 30
Joined: January 2013
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