# Electric Circuit Listing

 Summary: The size of the home electrical service panel is designed by calculating the square footage of the home and factoring in the code requirements for the electrical circuits that are required.

## Electrical Wiring Circuits for a Typical Family Home

This electric circuit listing is based on a single family home of 3000 square foot with the following electrical loads:

1- 12 kw electric range
20 kw of electric space heating (1 central elect. heating unit)
1- 5 kw electric water heater
1-central air conditioner, 9 kw
1- dishwasher, 1 kw
1- disposal, 0.9 kw
1- electric clothes dryer, 4500 watt

 Electric Circuit Listing - Home 3000 sq. ft. NEC Ref. Circuit VA Breaker 220-3a General Lighting, 3000 sq ft x 3 watts = 9000 -- 1-pole 15 220-16a 2 Small Appliance, 1500 ea= 3000 -- 1-pole 20 220-16b Laundry (Washing Machine) = 1500 -- 1-pole 20 T 220-11 Total General Lighting, Small Appl., Laundry = 13500 -- T 220-11 Apply Demands, 1st 3000 watts 3000 T 220-11 Balance(10500 watts) at 35 percent 3675 220-18 Dryer (minimum 5k) 5000 2-pole 30 220-19 Range (from col C) 8000 2-pole 50 220-17 Add Fixed Appliance x 100 percent (not more than four) 6900 220-21 Larger of Heat / Air Conditioning 20000 2-pole ** VA Total 46575 Amps Divide by 240 (volts) = 194 310-15(b)6 200 Amp service wire: 2/0 copper

15 amp circuit = 1800 watts
20 amp circuit = 2400 watts

## Home Electrical Circuits

Note:
Smoke Detectors are not required to be on a dedicated circuit. Smoke detectors are typically shared on a lighting circuit such as the hallway lights, this way if the circuit is off for any reason it will be noticed.

## Questions about Electrical Circuits

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