TP-5592 7/96A-2 Generator Selection and Wattage Requirements
Appliance Loads
Generator sets often furnish AC for appliances such as
TV,stereo,electricwaterheater,etc. Withtheexception
of the resistance-type loads such as the water heater,
requirements for appliances are usually low. Do not
overlook such loads, however, when figuring total
requirements. Allow reserve capacity for anticipated
appliance loads to avoid overloading a generator set.
Figure 3 and Figure 4 list the average power
requirements of some common construction tools and
electrical appliances.
Construction Tools
Motor
Starting
Watts
Running
Watts
Air compressor (small) 1500 725
Air compressor, 3/4 hp 4000+ 2000
Drill, 1/4 in. 500 250
Drill, 3/8 in. 600 350
Drill, 1/2 in. 800 600
Grinder, 1/2 hp 1500 1200
Hammer, demolition 2000 1800
Hammer, HD rotary 1500 1200
Paint sprayer, airless 400 240
Polisher, orbit 500 360
Power paint roller 120 90
Power plane 600 450
Router 900 700
Saw, circular 6 1/2 in. 2200 1000
Saw, circular 7 1/4 in. 2500 1200
Saw, table 10 in. 4000 1500
Saw, sabre (worm drive) 2500 1200
Sander, belt 1500 600
Sander, finishing 900 360
Screwdriver, power 1000 530
Shear, 12 gauge 1800 720
Soldering gun -- 250
Vacuum cleaner, wet/dry 1500 1260
Wrench, impact 1/2 in. 2000 840
Figure 3. Construction Tool Average Wattage
Requirements (60 Hz)
Electrical Appliance
Motor
Starting
Watts
Running
Watts
Automatic pilot -- 150-250
Blanket, electric -- 50-250
Blender 800 600
Broiler -- 1350
Depthometer -- 25-1000
Dryer, hair -- 850-1200
Fan, air
circulating
50-200 25-100
Food, mixer 400 235
Heater, space -- 750-1500
Heater, water -- 1500
Iron -- 900-1200
Light bulbs -- (as indicated)
Pan, frying -- 1200
Percolator,
coffee
-- 650
Radar -- 750-1500
Radio -- 50-100
Radiophone -- 100-200
Range, electric
(per element)
-- 1000-1500
Television -- 300-750
Toaster -- 750-1200
Water system 500-1500 300-1250
Figure 4. Appliance Average Wattage
Requirements (60 Hz)
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