Apartment Building

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mbrooke

mbrooke

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How would you wire an apartment building where the land lord pays the bill? And in particular one where the select receptacles are on backup power (refrigerator, TV)? 2 panels in each flat seems extreme. Would you share any circuits between each unit?
 
If the landlord is paying the utility bill, it doesn't matter either way. If this is new construction hallway panels serving multiple apartments would be the most cost effective way to wire it, the EM circuits can be shared between units.
Although landlord may regret not having provisions to make tenants pay there own in future.
 
Unless under continuous building management supervision, 240.24(B) requires that the occupant have access to the feeder and branch circuit OCPDs that supply their unit. That makes this installing a bit more difficult where there is an optional standby system.
 
don_resqcapt19 said:
Unless under continuous building management supervision, 240.24(B) requires that the occupant have access to the feeder and branch circuit OCPDs that supply their unit. That makes this installing a bit more difficult where there is an optional standby system.
Click to expand...
Correct, why all panels would need to be in Hallways, including the EM
 
don_resqcapt19 said:
Unless under continuous building management supervision, 240.24(B) requires that the occupant have access to the feeder and branch circuit OCPDs that supply their unit. That makes this installing a bit more difficult where there is an optional standby system.
Click to expand...

Wouldn't a common hallway panel be enough?
 
mbrooke said:
How would you wire an apartment building where the land lord pays the bill? And in particular one where the select receptacles are on backup power (refrigerator, TV)? 2 panels in each flat seems extreme. Would you share any circuits between each unit?
Click to expand...
How much does two 100A panels cost? It might cost less to run two feeders to each apartment than to have a large load center out in the hallway and run separate branch circuits. You will have to have spaces for GFCIs and AFCIs that will take up a lot of room in the load centers in the hallway.

1591817185806.png
 
petersonra said:
How much does two 100A panels cost? It might cost less to run two feeders to each apartment than to have a large load center out in the hallway and run separate branch circuits. You will have to have spaces for GFCIs and AFCIs that will take up a lot of room in the load centers in the hallway.

View attachment 2552652
Click to expand...
Although my choice would be to run a feeder to each unit and install a CB panel for them and then maybe use 1 EM panel to for all of them. I think 40 feeders might be excessive but it will depend on owners intent on the Generator? will it be complete comfort for units or just maybe Frig with 1 light and 1 receptacle?
 
Mag7dio said:
Although my choice would be to run a feeder to each unit and install a CB panel for them and then maybe use 1 EM panel to for all of them. I think 40 feeders might be excessive but it will depend on owners intent on the Generator? will it be complete comfort for units or just maybe Frig with 1 light and 1 receptacle?
Click to expand...

EM circuit is just the fridge, hall lights in the apartment itself and two living room receptacles for the TV.
 
petersonra said:
How much does two 100A panels cost? It might cost less to run two feeders to each apartment than to have a large load center out in the hallway and run separate branch circuits. You will have to have spaces for GFCIs and AFCIs that will take up a lot of room in the load centers in the hallway.

View attachment 2552652
Click to expand...


I'll take your word on it. I've never crunched the numbers.
 
don_resqcapt19 said:
Unless under continuous building management supervision, 240.24(B) requires that the occupant have access to the feeder and branch circuit OCPDs that supply their unit. That makes this installing a bit more difficult where there is an optional standby system.
Click to expand...

Beat me to it (again!) Don, but what say we give 240.21 (B)(1) a gander?

~RJ~
 
mbrooke said:
I'll take your word on it. I've never crunched the numbers.
Click to expand...
it's not rocket science. An all inclusive MDP w/dedicated 'critical loads panel', accessible to all tenants (community laundry area?) with a LOT of home runs , OR a lot of SER al home runs from a meter main(s) , oh and, subtract the 'house meter'.....~RJ~
 
romex jockey said:
it's not rocket science. An all inclusive MDP w/dedicated 'critical loads panel', accessible to all tenants (community laundry area?) with a LOT of home runs , OR a lot of SER al home runs from a meter main(s) , oh and, subtract the 'house meter'.....~RJ~
Click to expand...

Only one meter here... but certainly just as interesting if each unit was metered but you also needed backup power.
 
mbrooke said:
Link? I'm old school bro!
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Hmmm, and i thought i was the guy always laggin' MBrooke :)
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mbrooke said:
How would you wire an apartment building where the land lord pays the bill? And in particular one where the select receptacles are on backup power (refrigerator, TV)? 2 panels in each flat seems extreme. Would you share any circuits between each unit?
Click to expand...
If i want to keep the land lord as a repeat customer I would not share any circuits between each unit (Just to keep his/ her sanity)except for smokes in required.
 
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