Panel upgrade


Old 11-11-05, 09:17 AM
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Panel upgrade

I have a few questions about updating my electrical service.
My plan is to convert my current 150A main panel to a sub panel. Add a new 200A main panel. Both would be in the garage. I then want to add a sub panel for my basement at 75A and provide 75A to my garage either from the new main panel or an additional sub panel. Most of the time my workshop is in the basement, but for the foreseeable future it will be in the garage, until my plane is built. I have a CL200 meter.
1) Would I be correct in assuming that the drop line and wire from the
weather head to the meter would be sized to match the 200A meter?
2) How hard or difficult would it be to move the meter about 6' max. The
meter and socket are 19 years old, so might the utility want to replace
them anyway?
3) The GE 150A panel I have now has a limit on the door decal that limits any
feed to 125A. In the catalog at Lowes there were a few GE load center
panels with a similar restriction noted. Can I assume that if it is not noted
that I can take 75 or more amps with a breaker (feed through?) to the sub
4) The total available current draw would be greater than the service, but I
cannot imagine a time we would use anywhere near max amperage. Would
this be considered a problem by an inspector?
Thanks in advance,
Ken Lilja
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Old 11-11-05, 10:00 AM
Join Date: Sep 2003
Location: Central New York State
Posts: 13,973
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1. Yes, and the utility company will determine what size this is to be.

2. Since the wires most likely need to be replaced feeding the meter, it is not an issue moving the meter, as long as new location satisfies all parties.

3. Not sure I understand this question. It would be best if you served all sub panels from the main panel.

4. A demand load calculation needs to be done. That load calculation determines the minimum size necessary for the main panel, and to a lesser extend for each sub panel.
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