than the rated wattage of the generator. Never connect devices requiring a rated
wattage equal to the surge wattage of the generator.
tool or appliance rated (running) Watts additional surge Watts
electric water heater (40 gal) 4000 0
hot plate 2500 0
saw- radial arm 2000 2000
electric stove 1500 0
saw- circular 1500 1500
air compressor (1 HP) 1500 3000
window air conditioner 1200 1800
saw- miter 1200 1200
microwave 1000 0
well water pump 1000 1000
reciprocating saw 960 1040
sump pump 800 1200
refrigerator freezer 800 1200
furnace blower 800 1300
computer 800 0
electric drill 600 900
television 500 0
deep freezer 500 500
garage door opener 480 0
stereo 400 0
box fan 300 600
clock radio 300 0
security system 180 0
dvd player/vcr 100 0
common light bulb 75 0
NOTE: The above wattage figures are estimates. Try to check the wattage listed on your
electrical device before consulting this chart.
Figure 10- Estimated wattage requirements of common electrical devices.
Once you have determined what electrical devices you will be powering with the
generator, connect these devices according to the following procedure:
1. Plug in each electrical device with the device turned off.
NOTE: Be sure to attach appliances to the correct receptacle (outlet). Connect
standard 120 Volt, single phase, 60 Hz loads only to the 120 Volt receptacle.
Connect 120/240 Volt, single phase, 60Hz loads with a NEMA L14-30 plug only
to the 120/240 Volt receptacle See Figure 11 for a depiction of each of these
receptacles.
2. Switch the circuit breaker to the "on" position.
3. Turn on the connected electrical devices in the order of the amount of power they
require beginning with the device with the highest rated wattage requirement.
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