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Application Chart for Determining Electrical Load for Generators
Remember 1 kW = 1000 watts
2 kW = 2000 watts and so on
The formula for finding wattage is:
Volts x Amps = Watts
Example: an appliance nameplate states 3 amps
at 120 volts. 3 amps x 120 volts = 360 watts
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Typical Electrical Appliance Wattage's |
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| Application / Equipment |
Running/Rated
Watts |
Starting/Surge
Watts |
| Light Bulb (100w) |
100 |
100 |
| Radio AM/FM |
50-200 |
50-200 |
| Radio, CB |
50 |
50 |
| Fan |
200 |
600 |
| Television |
300-400 |
300-400 |
| Microwave Oven |
700 |
1000 |
| Air Conditioner (12,000 BTU) |
3250 |
5000 |
| Furnace Fan (1/3 hp blower motor) |
600 |
1800 |
| Vacuum cleaner |
600 |
750 |
| Sump pump (1/3 hp) |
700 |
2100 |
| Refrigerator/freezer |
800 |
2400 |
| Deep Freezer |
500 |
1500 |
| Circular saw |
1000-2500 |
2300-4600 |
| Circular saw 6" |
800 |
1000 |
| Floodlight |
1000 |
1000 |
| Drill 1/2" Electric |
1000 |
1250 |
| Toaster |
1200 |
1200 |
| Coffee maker |
1200 |
1200 |
| Skillet |
1200 |
1200 |
| Chain saw 14" Electric |
1200 |
1500 |
| Water well pump (1/2 hp) |
1000 |
3000 |
| Hot plate/range (per burner) |
1500 |
1500 |
| Table saw 10" |
2000 |
6000 |
| Water heater (storage type) |
5000 |
5000 |
| 12V DC Battery Charger |
120 |
120 |
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Electric Motor Wattage Usage |
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| Electric motors present a
special problem. They require up to three times their rated wattage to
start. Example: an electric motor name plate states 5 amps at 120
volts, 5 amps x 120 volts = 600 watts. Multiply this by 3. This will
show the starting watts needed. 600 watts x 3 = 1800 watts to
start. Some motor name plates will show starting watts higher in some
case 9 times higher, check the name plate. |
Motor
HP Rating |
Approximate
Running Watts |
Universal Motors
(small appliances) |
Repulsion Induction Motors |
Capacitor Motors |
Split Phase Motor |
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Approximate Starting Watts
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| 1/8 |
275 |
400 |
600 |
850 |
1200 |
| 1/4 |
400 |
500 |
850 |
1050 |
1700 |
| 1/3 |
450 |
600 |
975 |
1350 |
1950 |
| 1/2 |
600 |
750 |
1300 |
1800 |
2600 |
| 3/4 |
850 |
1000 |
1900 |
2600 |
x |
| 1 |
1000 |
1250 |
2300 |
3000 |
x |
| 1-1/2 |
1600 |
1750 |
3200 |
4200 |
x |
| 2 |
2000 |
2350 |
3900 |
5100 |
x |
| 3 |
3000 |
x |
5200 |
6800 |
x |
* - Always
use starting watts, not running watts, when figuring correct electrical
load
x - Motors of higher horse power are not generally
used |
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Shipping
Details
Valuable Sites |
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- Click here for shipping details
- *Freight carriers sometimes charge a one time residential fee that the customer is responsible for.
- UPS items do not have a residential delivery fee.
- We can not ship to Canada, Alaska, & Hawaii.
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- Call 866-672-6040 For Technical Support, Listings Of Service Centers,
Manuals, & For All Safety Question
Click
Here For Application Chart for Determining
Electrical
Load for Generator
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