NEC Standard Electrical Load Calculation for Single Family Dwellings **** (Only for Service Ratings of 120/240V, 225 Amps Max) Owner: _______________________________ Location: _________________________

Sample Residential Electrical Load Calculation – Step by Step Example (Optional Method)

2023年1月18日 · Compare the heating load to the AC load and take the larger of the two loads. AC load at 100%. 29 amps X 240 volts = 6,960 VA Heat load at 65%. 15,000 VA X .65 = 9,750 VA (largest load). Divide the load in VA by the voltage. 36,790 VA ÷ 240 = 153 amps.

Electrical Load Calculation Worksheet . 2022 CEC 220.82 (100 AMP Minimum) THIS FORM SHALL BE ON THE JOB SITE AT ALL TIMES . Permit # Date: Contractor/Owner: Size of service panel: AMPS Job Address: Total SF: Phone # Email: ITEM WATTS *EXAMPLES _____Sq.Ft. @ 3 watts per Sq.Ft. 1) - A/C with gas heat

This worksheet may be used to calculate the capacity of an existing electrical service when your project includes additional electrical loads in accordance with California Electrical Code Article 220.82.

Largest load of (i)+(iii) or (ii)+(iii) Largest Motor [220.50] This worksheet provided for 2017 NEC educational purposes - contractor is responsible for final adjustments

NEC Standard Electrical Load Calculation for Single Family Dwellings (Only for Service Ratings of 120/240V, 225 Amps Max) Owner: Location: Total Floor Area of Dwelling (NEC 220.12) SQFT. Factor