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HOW MANY WATTS
DO YOU NEED?
Household Electrical Appliances
| APPLIANCE WATTS | APPLIANCE WATTS | |
| Radio AM/FM. . . . . . . . . . .50 / 200 | Iron . . . . . . . . . . . . . . . . . . . 1200 | |
| Radio CB . . . . . . . . . . . . . . . . . .50 | Blender* . . . . . . . . . . . . . . . . . 300 | |
| 100 W. Light Bulb . . . . . . . . . . .100 | Juicer* . . . . . . . . . . . . . . . . . . .300 | |
| 500 W. Floodlight . . . . . . . . . . .500 | Mr. Juicer II* . . . . . . . . . . . . . .500 | |
| 1000 W. Floodlight . . . . . . . . . 1000 | Power Juicer* (Jack LaLane). . . 700 | |
| Clock . . . . . . . . . . . . . . . . . . . . . 4 | Waffle Iron . . . . . . . . . . . . . . 1100 | |
| Window Fan . . . . . . . . . . . . . . .250 | Electric Frying Pan . . . . . . . . . 1150 | |
| Compact Disc Player & Radio . . 85 | Electric Grill . . . . . . . . . . . . . ..1250 | |
| Stereo & Turntable . . . . . . . . . 100 | Hot Plate . . . . . . . . . . . . . . . . .1500 | |
| Color TV . . . . . . . . . . . . .300 / 400 | Toaster . . . . . . . . . . . . . . . . . .1100 | |
| VCR . . . . . . . . . . . . . . . . . . . . 100 | Toaster ( 4 slice ) . . . . . . . . . . 1800 | |
| DVD . . . . . . . . . . . . . . . . . . . . . 80 | Toaster Oven . . . . . . . . . . . . . 1200 | |
| Automatic Washer* . . . . . . . . .1250 | Electric Range, (6 inch element) . . 1500 | |
| Clothes Dryer (Gas) . . . . . . . . . 700 | Electric Range, (8 inch element) . . 2100 | |
| Clothes Dryer (Electric) . . . . . .5500 | Electric Oven .. . . . . . . . . . . . .4000 | |
| Dishwasher* . . . . . . . . . . . . .1500 (hot water wash cycle) | Microwave Oven . . . . . . . . . . . 800 | |
| Personal Computer . . . . . .400 / 700 | Convection Oven . . . . . . . . . 1500 | |
| Laptop Computer . . . . . . . . . . .50 | Food Processor . . . . . . . . . . . . 400 | |
| Printer . . . . . . . . . . . . . . . . . . . .60 | Furnace Fan* (1/3 hp) . . . . . . .1000 | |
| Scanner . . . . . . . . . . . . . . . . . . 50 | Ceiling Fan. . . . . . . . . . . . . . . . 30 | |
| Zip Drive . . . . . . . . . . . . . . . . . 12 | Pelonis Heater . . . . . . 1000 to 1200 | |
| Answering Machine .. . . . . . . . . . 5 | Space Heater (avg.) . .1000 to 1500 | |
| Freezer* . . . . . . . . . . . . . . . . . .500 | GE Space Heater . . . .1000 to 1500 | |
| Refrigirator/Freezer* . . . . . . . . .800 | Food Dryer . . . . . . . . . . . . . . .260 | |
| Refrigirator/Freezer* (side x side) . . .950 | Hot Tub . . . . . . . . . . . . . . . . .1700 | |
| Vacuum Cleaner* . . . . . . . . . .750 | Hot Tub Pump* . . . . . . . . . . . 750 | |
| Bread Maker . . . . . . . . . . . . . . 600 | Dehumidifier . . . . . . . . . . . . . . 650 | |
| Electric Blanket . . . . . . . . . . . . 400 | Water Conditioner. . . . . . . . . . . .30 | |
| Coffee Grinder . . . . . . . . . . . . .100 | Electric Hot Water Heater . . . 5000 | |
| Coffee Maker . . . . . . . . . . . . .1550 (hot water heating element) | Garage Door Opener . . . .. . . . .750 | |
| Coffee Maker / Mr. Coffee. . . . 800 | Home Security System . . . . . . .300 | |
| Cappuccino Maker . . . . . . . . .1550 (hot water heating element) |
Common Tools
| ELECTRIC TOOL WATTS | ELECTRIC TOOL WATTS | |
| Jig Saw . . . . . . . . . . . . . . . . . .300 | Circular Saw* (6 1/2") . . . . . . 1000 | |
| Miter Saw . . . . . . . . . . . . . . . .600 | Circular Saw* (7 1/4") . . . . . . 1200 | |
| Sabre Saw* . . . . . . . . . . . . . . 500 | Circular Saw* (8 1/4") . . . . . . 1800 | |
| Makita Chop Saw*. . . . . . . . 1550 | Impact Wrench* (1") . . . . . . .1200 | |
| Sawzall* . . . . . . . . . . . . . . . . 750 | Drill* (1/4") . . . . . . . . . . . . . . 250ce | |
| Planer . . . . . . . . . . . . . . . . . 1650 | Drill* (3/8") . . . . . . . . . . . . . . 500 | |
| Router . . . . . . . . . . . . . . . . . 1200 | Drill* (1/2") . . . . . . . . . . . . . . 750 | |
| Jointer . . . . . . . . . . . . . . . . . 1450 | Drill Doctor . . . . . . . . . . . . . . 250 | |
| Lathe* . . . . . . . . . . . . . . . . . .900 | Portable Grinder* . . . . . . . . . .1380 | |
| Disc Sander . . . . . . . . . . . . . 1200 | Concrete Vibrator* (2 hp) . . . .2100 | |
| Drill Press* . . . . . . . . . . . . . . 800 | Winch* . . . . . . . . . . .. . . . . . .1800 | |
| Band Saw* . . . . . . . . . . . . . 1200 | Electric Chain Saw* (14") . . . .1200 | |
| Table Saw*. . . . . . . . . . . . . .1800 | Grass Edger * . . . . . . . . . . . . 1000 | |
| Makita Cut Off Saw* . . . . . . 1000 | Weed Trimmer* . . . . . . . . . . . .500 | |
| Airless Sprayer* (1/2 hp) . . . . 700 | Electric Lawn Mower*. . . . . . .1500 | |
| Air Compressor* (120v. 1/2 hp) . . .1200 / 2500 | Electric Pressure Washer*. . . . 1200 / 3600 | |
| Air Compressor* (120v. 3/4 hp) . . .1750 / 3000 | 12v Battery Charger. . . . . . . . . .120 | |
| Air Compressor* (120v. 1 hp) . . . . 2500 / 4000 | Wet/Dry Shop Vac* (5 h.p.). . 1000 / Rigid (Brand) | |
| 1/6 h.p. elec. motor . . . . . . . .200* | Wet/Dry Shop Vac*(5.5 hp). . 1100 | |
| 1/4 h.p. elec. motor . . . . . . . .300* | Wet/Dry Shop Vac* (6 h.p.). . 1200 | |
| 1/3 h.p. elec. motor . . . . . . . .360* |
Household Appliances that use Induction Motors
| Well Pumps Running | Starting |
Air Conditioners Running | Starting |
| 1/3 Horsepower . . . . . . . . . . . . .750* | 1400-3000 | 5,000 BTU . . . . . . . . . . . 1250* | 1750-3400 |
| 1/2 Horsepower . . . . . . . . . . . .1000* | 2100-4000 |
10,000 BTU . . . . . . . . . . . 2400* | 3000-4750 |
| 3/4 Horsepower . . . . . . . . . . . .1850* | 2800-5000 |
20,000 BTU . . . . . . . . . . . 3250* | 4000-6800 |
| 1.0 Horsepower . . . . . . . . . . . .2250* | 3500-6500 | 24,000 BTU ( 2 Ton ) . . . . 3750* | 4950-8500 |
| 1.5 Horsepower . . . . . . . . . . . .2750* | 3800-8000 |
30,000 BTU (2.5 Ton) . . . . 4250* | 6000-11,000 |
| Sump Pumps | Space | 36,000 BTU ( 3 Ton ) . . . . 4900* | 9000-16,000 |
| 1/3 Horsepower . . . . . . . . . . . . 800* | 1300-2900 |
48,000 BTU ( 4 Ton ) . . . . 6850* | 12,800-20,000 |
| 1/2 Horsepower . . . . . . . . . . . 1050* | 2150-4100 | 60,000 BTU ( 5 Ton ) . . . . 8000* | 15,800-28,000 |
| Submersible Pump | Space | 90,000 BTU (7.5 Ton) . . . 12,500* | 25,000-50,000 |
| 400 GPH . . . . . . . . . . . . . . . . . 200* | 400-600 | Space | Space |
| Heat Pump | Space | Space | Space |
| 3,000 Sq. Ft. Home . . . . . 4000 to 5000* | 10,000-12,500 |
Space | Space |
To Select a model that has enough power, add the watts for items you may want to run at the same time. Use the highest total wattage as your minimum power requirement.
* Appliances and tools with induction motors may require 3 to 7 times the above listed wattage when starting. Be sure to check the specific wattage requirements and operating instructions for appliances / tools to be used.
* Note: The above wattages are estimates. The actual wattage required for your appliances may differ from those listed above. Check the nameplate on your appliance to determine the wattage required. For more accurate wattage readings and to check the performance of your appliances simply clamp an analog or a digital amp meter around one leg of your power cable.
USEFUL FORMULA; WATTS =
VOLTS x AMPS
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