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First 3,000 VA of Lighting, Small Appliance, Laundry load @ 100% NEC Tbl. 220.42. = ___3000____ VA. From 3,001 to 120,000 VA @ 35% First 3000 watts of lighting load subtotal: @ 100% = 3000 watts LIGHTING LOAD TOTAL = OPTIONAL CALCULATION FOR DWELLING UNIT. Table 220 - 30. Prepare a load schedule. 2. Enter individual load characteristics in software. 3. Enter loads in step sequence in software. 4. Have software calculate and 8-202(3)(b)(c). Electric space-heating loads "Section. 62, subject to Rule 8-106(4)" and 100% air conditioning loads. "The electrical load schedule is an estimate of the instantaneous electrical loads operating in a · Step 1: Collect a list of the expected electrical loads in the COMPUTATION: QTY. X 100 ( if lighting ) = WATTS. QTY. X 180 ( if con. outlet ) = WATTS. WATTS. VOLTS. = AMP. LOAD. SCHEDULE OF LOADS. NEC Standard Electrical Load Calculation for Single Family Dwellings. (Only for Service Ratings of 120/240V, 225 Amps Max). Owner: Location:. DB Loading Schedule & Load Calculations · Total connected load = 2233+2465+2396= 7094 VA · Unbalanced % = (2465–2233)/2465=(232/2465)*100=9.41% · Total demand load