Main Disconnect before meter bank

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Old 02-08-08, 08:00 AM
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Main Disconnect before meter bank

Where the service enters the house there is a 200 amp main disconnect that then feeds the meter bank and then the panels are fed from the meters. I need to replace these panels. Am I correct to assume that these panels should be wired as sub panels because of the main disconnect before the meter bank?
 
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Old 02-08-08, 08:14 AM
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correct......

Assuming the neutrals are bonded to ground prior to the panels you are replacing.

I would , however , consult local electrical code before completing this.
 
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Old 02-08-08, 08:23 AM
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Thanks

Thank you. The bond occurs in the main disconnect. I have never ran across this situation before and wanted to double check.
 
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Old 02-08-08, 08:31 AM
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Im curious how you got the disconnect BEFORE the meter???
 
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Old 02-08-08, 08:37 AM
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New one to me

I've never seen it before and can't imagine seeing it again.
 
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Old 02-08-08, 10:14 AM
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Sounds like possibly an apartment building with separate billing per unit. I would expect that the main disconnect is locked and sealed so you could not access power before the meters.
 
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Old 02-08-08, 11:02 AM
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If the panels are not located at the metering equiptment, then they are panels supplied by Feeder Conductors protected by a breaker at the metering equiptment, and are wired as such.

All Neutral teminations in a panel supplied by Feeder Conductors are required to be isolated from Ground.The Wiring Method for the Feeder Conductors must include an approved Equiptment Grounding Conductor .
 
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Old 02-08-08, 11:14 AM
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I would expect that the main disconnect is locked and sealed so you could not access power before the meters.
Exactly my point. I remember hearing something about this being a "West Coast service upgrade".....
 
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