STARTING WATTAGE REQUIREMENTS
1.Some appliances and tools will list on the motor nameplate the starting and running voltage and amperage requirements. Use the following formula to convert voltage and amperage to wattage:
Volts X Amp = Watts
Example: 120 volts x 10 amps = 1200 watts
2.To determine the approximate starting wattage requirement for most appliances and tools with inductive type motors, multiply the wattage that was calculated by 2 to 4 times to assure adequate generator capacity. If the nameplate information is not available use the values on the following chart as a guide.
3.Remember that the starting and running wattage for resistive loads are the same. (Example: a 100 watt light bulb requires only 100 watts to start.) Most resistive loads will be listed in wattage.
Application Guide
To select the right generator for your needs, total the wattage of the items to be run at the same time.
Recreational Emergency Relief Contractor
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Electric Appliance | 100 | 250 | 500 | 1000 | 1500 |
| 2000 | 2500 | 3000 | 3500 | 4000 | 4500 | 5000 | 5500 | 6000 | 6500 | 7000 | 7500 | ||||
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3/8" Hand Drill |
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Jigsaw |
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1/3 HP Airless Sprayer |
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6" Bench Grinder |
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Belt Sander |
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Demolition Hammer |
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7 1/4" Circular Saw
Light Bulb
Home Security
Television
Microwave
Toaster Oven
Portable Heater (5,000 BTU) 
Furnace Fan
Refrigerator/Freezer
Sump Pump
Clothes Washer
Water Heater
Air Conditioner (20,000 BTU) 
12V DC Battery Charger
Radio
Slow Cooker
Electric Blanket
Electric Skillet
Coffee Maker
Small Refrigerator
The wattage ratings shown are averages. Wattage requirements may vary with different brands of appliances.
19- ENG | A02871 |