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Old 11-27-2009, 09:18 PM   #1
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Load Center Installation

New installation. Bought a SquareD 30/40 200amp panel. The wiring/feed to the main lugs come inside the structure from the bottom/slab in conduit.

Since the main lugs are at the top, want to turn the panel upside so the 200amp lugs are at the bottom since it would be neater and not have to bend the thick cables and "bulk" up the interior of the panel.

Called tech suppport at Square D and they said there was no reason except for labeling (need to create new one) it couldn't be done.

Is there any reason a building inspector (permitted) would reject/fail an upside down panel?



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Old 11-27-2009, 09:24 PM   #2
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Not that I know of......
I just installed my 100a sub upside down for the same reason


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Old 11-27-2009, 10:56 PM   #3
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Doesn't the main breaker have to flip up to be in the "on" position when installed vertically per code?
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Last edited by Gary in WA; 11-28-2009 at 01:18 PM.
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Old 11-28-2009, 12:21 AM   #4
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Both QO and HOM line load centers the 200 amp verison typically have horzontail main breaker so it is not a issue to run it upside down.

I done that all the time and my inspectors have no issue of I know of expect couple other brands you have to be little more carefull when you order " bottom feeded main breaker " set up one brand what I did just flip the main breaker around { at first the Inspector was ticked off at me but relized that I did show him the paper work that I have factory athorized modication so he back off after that }

The last thing this part will get your attetion the 30/40 number I hope you understand this meaning I will break down the numbers so you can understand little more clear

30 = the number of full size breaker spaces
40 = the number of total numbers of circuits in the loadcentre.

so that mean you can have 10 twinnner breakers max in the loadcentre and SqD twinner location will be the oppsite side of main breaker location aka end of the bussbar and you will noted the bussbar the last five slot are differnt than the rest that is the area it will allowed twinner breakers in there.

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Old 11-28-2009, 08:13 AM   #5
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Good point - my breaker flips side to side to shut off
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