resi panel disco q

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ishium 80439

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Denver foothills via the Horn of Africa
I have a situation where I am wiring a home with a detactched garage in the back. The service will be mounted on the garage and I was going to install a 150A meter/ main that has an 8/16 panel and feed thru lugs. Then we are going to go underground to the panel on the house. I was having trouble locating a 150A MB panel with higher capacity than 30 circuits so I was going to install a 200A 30/40. It seemed an odd installation so I called the inspector just to get his OK before I ordered and installed the equipment. He checked with the asst chief who said no but couldn't cite a code article. The way I look at it is the panel is protected upstream at 150 and the MB on the house is essentially just a disco switch so it's rating doesn't matter much. What am I missing?

(I know there are other configurations that I could use to get this situation to work (MB kits on MLO panels etc) but I was looking to get this stuff ordered and installed out of local stock as time is a bit of a concern)
 
you have some options with square d.

homeline convertable panel + QM2 150a main
qo convertable panel + QM2 150a main
qo MLO panel + backfeed QO2150 breaker (eats 4 spaces)
 
I'm curious as to how the inspection department can say no and not provide a code reference?
 
Someone is going to have to tell me how to quote multiple posts in one reply.:smile:

-why not use a disco on outside and a MLO panel?

It's an exterior panel.

-you have some options with square d.

I'm trying to work out the details as to what's available.

-I'm curious as to how the inspection department can say no and not provide a code reference?

I had the same thought but figured it was futile arguing with the foot soldier. I've got a message into the chief inspector.
 
ishium 80439 said:
-you have some options with square d.

I'm trying to work out the details as to what's available.
Click to expand...

homeline 40 space exterior panel main lug convertible to main breaker
p/n HOM40L200RB

QM2 150a Field-installable Main for convertible main lug panel
p/n QOM2150VH

QO 40 space exterior panel main lug convertible to main breaker
p/n QO140L200GRB uses same main breaker above

QO 42 space p/n QO142L225GRB

if for some reason you must have 42 spaces in a homeline, this is 225a 42 space main breaker p/n HOM42M225RB then you can replace the main with the breaker listed above
 
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