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Household Wattage Approx. Starting Running Industrial Motors Approx. Starting Running
Coffee Maker 600 600 Split Phase ¼ hp 1700 400
Dish Washer 540 216 Split Phase ½ hp 2600 600
Electric Frying Pan 1500 1500 Capacitor Start Induction Run ¹/
3 hp 975 450
Electric Range 8" Element 2100 2100 Capacitor Start Induction Run 1 hp 2300 1000
Microwave Oven (650 watts) 1000 1000 Capacitor Start Capacitor Run 1-½ hp 4200 1600
Refrigerator/Freezer (Energy Star) 1200 132-192 Fan - ¼ hp 1200 650
Automatic Washer 3400 1200
Clothes Dryer (Electric) 6750 5400
Contractor Approx. Starting Running
Furnace Fan (1/8 hp) 500 300 Air Compressor (½ hp) 1600 975
Furnace Fan (1/6 hp) 750 500 Air Compressor (1 hp) 4500 1600
Furnace Fan (1/4 hp) 1000 600 Bench Grinder (8") 2500 1400
Furnace Fan (1/3 hp) 1400 700 Hand Drill (½") 900 600
Furnace Fan (1/2 hp) 2350 875 Pressure Washer (1 hp) 3600 1200
Lighting Circular Saw (7 - ¼") 2300 1400
Radio 50-200 50-200 Electric Chain Saw (14", 2hp) 1100 1100
Sump Pump (1/3 hp) 1300 800 230 Amp AC (at 100 amp) 7800 7800
Sump Pump (1/2 hp) 2150 1050 Table Saw (10 Inches) 4500 1800
Television: tube / 43" flat screen 300 / 190 300 / 190 Drill (3/8", 4 amps) 600 440
Air Conditioner (10000 BTU) 2200 1500 Drill (1/2", 5.4 amps) 900 600
Laptop Computer 200-250 200-250
Desktop Computer 600-800 600-800
Farm Equipment Approx. Starting Running
Monitor (LCD style) 30 30 Electric Fence (25 miles) 250
Printers Milk Cooler 1800 1100
Ink Jet / Ink Jet Multi Function 20 / 250 20 / 250 Milker (Vacuum Pump, 2hp) 2300 1000
Laser 400-850 400-850 Portable Heater(Kerosene / Diesel
DVD Player 350 350
600 400
Satelite Receiver 250 250 90,000 BTU 725 500
Fan (portable) 120 40 150,000 BTU 1000 625
Battery Charger
15 Amp 380 380
60 Amp w/ 250 Amp Boost 1500/5750 1500/5750
100 Amp w/ 300 Amp Boost 2400/7800 2400/7800
Electric Welder (200 Amp AC) 9000 9000
add up various wattages
4.6.4 WATTAGE CHART
The chart below contains general wattage information, and is intended to be used as a guide only.
For some electrical, and electronic appliances, you can determine the power needed by looking at the
data tag supplied by the manufacturer.
Most products and all electrical motors should have a data tag attached to their bodies that give volts and
amps and may contain wattage information.
To determine the wattage, use this formulae:
Amps x Volts = Watts
(See wattage chart)
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