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#187690 - 07/07/09 04:06 PM Apartment building Panels (Main required???)  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 826
Michigan
Apartment building with meter stack, Each meter has Main to feed each apartment. I feel main is Not required in each apartment . Your comments Please.
Yoopersup


2017 / 2014 NEC & Related Books and Study Guides

#187693 - 07/07/09 04:42 PM Re: Apartment building Panels (Main required???) [Re: Yoopersup]  
KJay  Offline
Member
Joined: Nov 2007
Posts: 763
MA, USA
That's how it's done all the time for condos around here, then just pull 4-wire to each unit.
one large main for the entire stack and the individual units mains all grouped and accessible at the outside the building.


#187698 - 07/07/09 05:56 PM Re: Apartment building Panels (Main required???) [Re: KJay]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,118
Estero,Fl,usa
As long as the disconnect for each apartment is accessible to each tenant, I don't see a problem but if this is locked up and they don't have a key, it would be troubling to me.


Greg Fretwell

#187718 - 07/08/09 01:12 AM Re: Apartment building Panels (Main required???) [Re: gfretwell]  
frenchelectrican  Offline
Member
Joined: Feb 2003
Posts: 939
Wi/ Paris France { France for ...
Most Apartments I ran into most useally have main breaker right below or next to the meter socket however you have to watch out the numbers of meters if more than 6 then you must installed a master or super main breaker / fuse before meter stacks or meter bank.

Once you have main breaker at the meter location and run 4 conductor to the apartment load center you don't need the main breaker at that location unless you got riser system now that is diffrent game to deal with it.

Merci,Marc


Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)


#187728 - 07/08/09 05:14 AM Re: Apartment building Panels (Main required???) [Re: gfretwell]  
Trumpy  Offline


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Joined: Jul 2002
Posts: 8,222
SI,New Zealand
Originally Posted by gfretwell
As long as the disconnect for each apartment is accessible to each tenant, I don't see a problem but if this is locked up and they don't have a key, it would be troubling to me.

Yeah Greg,
I would certainly have mis-givings about a situation like that as well.
See, over here a Main switch is defined as the switch that gives a consumer the greatest degree of control over the supply to their installation.

Now, if you need to have to switch your power off in a hurry, you don't really want to be looking around for the main switch and most non-electrical people would in fact assume that it was in the panel in their apartment, that could end in tears.

I've always been of the idea that the main switch should be installed in the same "building compartment" as the actual installation.
I mean, if you had a house, you wouldn't put your main switch out on the front fence, would you? (or would you??)
grin

Just my $0.02 worth


Let's face it, these days if you're not young, you're old - Red Green grin

#187744 - 07/08/09 12:00 PM Re: Apartment building Panels (Main required???) [Re: Trumpy]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,118
Estero,Fl,usa
Quote
I mean, if you had a house, you wouldn't put your main switch out on the front fence, would you? (or would you??)


If it came in on wheels you would. (a post next to the home)

The condo I had on the beach in Pinellas County had all the meters and disconnects in the laundry room with MLO panels in each unit. They decided the laundry room would be locked overnight but I pointed out that each tenant needed a key so they could get to the disco, unless the management had someone on site and available 24 hours a day. Originally they thought that would be OK because there was a rule against "night laundry" and this would be a way to enforce it.


Greg Fretwell

#187755 - 07/08/09 08:56 PM Re: Apartment building Panels (Main required???) [Re: gfretwell]  
renosteinke  Offline
Cat Servant
Member
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
Our NEC only requires the branch circuit breakers be accessible to the occupants. Nothing is said about the mains.

Indeed. we commonly mount the main on the outside of the building, with the branch circuit panel inside. In apartment complexes, the main breakers and electric meters are often locked up, inaccessible to the tenants at all. Meter readers and firemen have 'key boxes' that let them have access at will.

Another common scenario, expecially in commercial locations, is for the main to literally be padlocked in the "power on" position. many of these locks are so rusty, I doubt they would open, even if a key could be found.

I don't see the issue; the tenant / occupant can kill everything but the panel feed from the panel.


#187764 - 07/08/09 11:01 PM Re: Apartment building Panels (Main required???) [Re: renosteinke]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,118
Estero,Fl,usa
Quote
230.72(C) Access to Occupants. In a multiple-occupancy building, each occupant shall have access to the occupant’s service disconnecting means.


Greg Fretwell

#187765 - 07/08/09 11:13 PM Re: Apartment building Panels (Main required???) [Re: gfretwell]  
renosteinke  Offline
Cat Servant
Member
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
Thank you, Greg, for the citation.

My 99 NEC has the same requirement. Yet, considering the rarity of this ability in the places I work on, I wonder: When was this added?


#187767 - 07/09/09 12:00 AM Re: Apartment building Panels (Main required???) [Re: renosteinke]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,118
Estero,Fl,usa
It said the same thing in 1975, my oldest book


Greg Fretwell

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