Meter Socket/Emergency Disconnect

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MikeDimond

Member
Location
Oak Park, MN
Occupation
Electrician
I have a potential customer who has a 100A service for their home. They'd like a 100A service for a newly constructed pole shed and would like to tie into the load side of their meter to avoid upgrading their home's service. I don't know if the current equipment is setup to do that.

My question is, if I were to replace their meter enclosure to allow a twin lug setup, would that change require an emergency disconnect for their home and pole shed, or only the pole shed. I know that the code is a minimum and I don't have all of the information yet to know what needs to happen.

Any ideas or input is appreciated, thanks much!

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From what you describe, your change would require compliance with the 2020 NEC.
You stated the customer wants a 100 amp service, do you mean feeder to the pole shed?
Is the pole shed load 100 amps or is that the size of the panel?
I would suggest installing a 200 amp meter main, feed the existing house panel with 100 amps, and feed the pole shed, its likely not a 100 amp load.
For the time and work, a 200 amp meter main would provide for future.
If not, feed the pole shed with 30 amps 2 pole, run in conduit for future larger feed, if the pole shed is just lights and outlets. More load than that I would check existing house loads.
 
From what you describe, your change would require compliance with the 2020 NEC.
You stated the customer wants a 100 amp service, do you mean feeder to the pole shed?
Is the pole shed load 100 amps or is that the size of the panel?
I would suggest installing a 200 amp meter main, feed the existing house panel with 100 amps, and feed the pole shed, its likely not a 100 amp load.
For the time and work, a 200 amp meter main would provide for future.
If not, feed the pole shed with 30 amps 2 pole, run in conduit for future larger feed, if the pole shed is just lights and outlets. More load than that I would check existing house loads.
Yes a 100A feeder for his pole shed/shop from the load side of the meter for his home. I believe he plans on having a welder, AC, and a wood burning stove.

Would adding the 100A feed be enough to trigger the 2020 requirement for an Emergency Disconnect on his home? I feel like changing the meter enclosure to a 200A in the event that his is not definitely would.

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If you replace a meter and add emergency disconnect, you've already done all the work of an upgrade except for new cable/pipe coming from pole/pedestal. Yet not increase amperage? 🤔

I would add the shed as a subpanel.

Otherwise, upgrade to 200
 
If you replace a meter and add emergency disconnect, you've already done all the work of an upgrade except for new cable/pipe coming from pole/pedestal. Yet not increase amperage?

I would add the shed as a subpanel.

Otherwise, upgrade to 200
You're right, and that's what the plan is, a subpanel. Used the wrong terminology and it just shows I have a lot to learn :)

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