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100amp service in a 3400 ftsq home? #17244
11/22/02 12:20 PM
11/22/02 12:20 PM
C
cdimarco  Offline OP
Junior Member
Joined: Nov 2002
Posts: 1
NYC, NY USA
Is there a code that a house of a certain size needs to be equipped with a certain type of electrical service?

Looking at a new house whose standard service is 100 amps. In order to upgrade any electric in the house - multiple high hats, electric ovens, christmas lights, pool, the home will certianly require more powerful service like 150 or 200a service.

Is this the builders or purchasers responsibility on a home this size?

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Re: 100amp service in a 3400 ftsq home? #17245
11/22/02 01:22 PM
11/22/02 01:22 PM
M
mj  Offline
Member
Joined: Jun 2002
Posts: 186
meriidian, ms
general lighting, 3 volt/amps per sq ft 3400 3 is 10200 va ,is 42.5 amps, you have to add all your appliance loads, heat or ac, the largest of the two. when you add in all the factors you will need at the least 150 service . see art 220, for calcalations examples

Re: 100amp service in a 3400 ftsq home? #17246
11/22/02 02:49 PM
11/22/02 02:49 PM
W
watthead  Offline
Member
Joined: Oct 2001
Posts: 172
South Carolina
If you had gas appliances and heat are you sure it would calculate to 150 amp minimum? I think what is most important in this situation is that the NEC is not a design manual, and its minimum requirements do not always provide an adequate installation, only one esentially free of hazards. The extra cost of the larger service in a house of that size would be quickly amortized. Install a 200 amp minimum service.

Re: 100amp service in a 3400 ftsq home? #17247
11/23/02 09:18 PM
11/23/02 09:18 PM
F
falcondfb  Offline
Member
Joined: Sep 2002
Posts: 37
Jersey, USA
i am doing work in a 6000sq' house w/ a 200amp service. elec dryer, oven hot tub outside, 76 amps of a/c, 7 refers, etc and we are finishing the basement to add another 2000 ft. service is underground 300 ft away and x-former in on other side of driveway and cobblestone walkway that was just done. BTY house is just 3 months old. can't wait to give them a price for service upgrade.


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