Article 230 - Services

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IF you have multiple buildings on one site with a single owner with three buildings A, B and C. Building A has the switchboard you want to feed Building C with. Which in turn, will feed building B. All three buildings are connected structurally. None of the buildings have a utility meter. Is the feeder to building C considered a service conduit? Can the feeder be routed thru Buildings A and B?
 

George Stolz

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Staff member
Location
Windsor, CO NEC: 2017
Occupation
Service Manager
Re: Article 230 - Services

How are three buildings connected structurally? They're not one building?

And noone's charging them for power? No meter anywhere?

Service conductors can only enter a building and be disconnected nearest the point of entrance per the NEC. Local AHJ's view this distance differently, but never over 20'.

Can you give us more details?
 

macmikeman

Senior Member
Re: Article 230 - Services

When I drive around the various millitary bases around the Island I live on I often see buildings with no metering at all. Must be one really huge ct can on the back of the guard shack at the gate..
 

charlie b

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Location
Lockport, IL
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Retired Electrical Engineer
Re: Article 230 - Services

I do not understand your routing, as you have two contradictory statements:
Originally posted by samblv: Building A has the switchboard you want to feed Building C with. Which in turn, will feed building B.
This description conflicts with the following:
Can the feeder be routed thru Buildings A and B?
The conflict is that the first statement says power goes from A to C and then to B, whereas the second statement says that power goes from A to B to C.

This is what I think you are trying to describe. Please tell me if I have it right or wrong:
</font>
  • <font size="2" face="Verdana, Helvetica, sans-serif">Power comes from the utility (we don't know where the meter is) to a switchboard in Building A.</font>
<font size="2" face="Verdana, Helvetica, sans-serif"></font>
  • <font size="2" face="Verdana, Helvetica, sans-serif">There is a breaker on that switchboard, and it provides power to some type of panel in Building C.</font>
<font size="2" face="Verdana, Helvetica, sans-serif"></font>
  • <font size="2" face="Verdana, Helvetica, sans-serif">There is a breaker on that panel (in Building C), and it provides power to some type of panel in Building B.</font>
<font size="2" face="Verdana, Helvetica, sans-serif">If that is the correct description, then the wires coming into Building A are "service conductors," and the wires going to Buildings C and B are "feeders."
 

jwelectric

Senior Member
Location
North Carolina
Re: Article 230 - Services

Charlie, notice this statement:

originally posted by samblv All three buildings are connected structurally.
So I just passed it by until those with more knowledge than me had a chance to answer.
:)

Edited to add:
those with more knowledge such as these.

BE sure to follow the second link.
:D :D :D

[ September 26, 2005, 11:36 AM: Message edited by: jwelectric ]
 

charlie b

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Staff member
Location
Lockport, IL
Occupation
Retired Electrical Engineer
Re: Article 230 - Services

Good point, Mike.
Originally posted by samblv:All three buildings are connected structurally.
This could mean that there is a covered walkway from building to building. It could also mean that C shares a wall with A on one side, and that C shares a wall with B on the other side. So what do you really mean?
 
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