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Service Voltage <br />240 <br />Section 220.83 Existing Dwelling Unit <br />Part #1 - Section 220.83 (B)(1) General Lighting/Receptacles @ 3 VA per sq ft: <br />Amps Box A (VA) <br />31.25 7500 <br />Part #2 - Section 220.83(B)(2), (3)a, b, c, d - Appliances and Dedicated Circuits: <br />Size in VA Size in VA <br />1500 <br />1500 <br />1500 <br />1000 <br />600 <br />1000 <br />1600 <br />Amps Box B (VA) <br />36.25 8700 <br />Total VA from Parts #1 and #2 combined:Box A + Box B =16200 <br />Total VA 16200 <br />First 8000 VA @ 100%8000 Remaining VA @ 40% <br />Remaining VA =8200 8200 x 40% =3280 VA <br />Adding First 8000 VA, if possible 8000 VA <br />Total VA for Gen. Lights/Recep, Appliances & Dedicated circuits:11280 VA <br />Total AMP for Gen. Lights/Recep, Appliances & Dedicated circuits:47.00 Amps <br />Part #3 - Section 220.83(B) Heating and A/C loads: <br />*Combine the larger loads of either the Heating or the A/C loads togther <br />100% of all the Heating or A/C loads in VA:4,704 VA <br />100% of all the Heating or A/C loads in Amps:19.60 A <br />VA Volts Amps <br />Parts #1 & #2 11280 240 47.00 <br />Part #3 4,704 240 19.60 <br />Total VA for all Parts:15,984 <br />Totals Service/Feeder Load 66.60 <br />Dedicated circuit Dedicated circuit <br />Article 220 - Dedicated Backup Panel Calculation Job Code <br />2100 E Wellington Ave Santa Ana CA USA 92701 109R-100LUMB <br />Building Square Footage VA (watts)Amps <br />House 2500.00 7500 31.25 <br />Total for Part #1: <br />Laundry <br />Appliance Circuit - 1 <br />Appliance Circuit - 2 <br />Dishwasher <br />Disposal <br />Refrigerator <br />Microwave <br />Totals for Part #2: <br />Totals from all Parts <br />2100 E Wellington <br />Ave11/18/2024