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If the rated capacity of your generator is exceeded, the
circuit breaker(s) located in the controller trips to protect
the generator against damage. This could be caused by
a short in the AC circuit in your vehicle or simply by
having too many appliances or tools turned on
simultaneously time resulting in an overload condition.
If the circuit breaker(s) trips, the set may continue
running but there will be no AC output to the protected
circuit. Before resetting the circuit breaker(s), turn off
some of the appliances or tools and lights inside the
vehicle to bring the load down within the rated limits of
the set. If this is done and the circuit breaker(s) trips
again after being reset, a short circuit is indicated. In this
event, turn off the set and have a qualified electrician
locate and correct the cause of the short circuit.
The average wattage requirements of some common
RV/Mobile appliances/tools and motor loads are listed in
the following charts. Use these figures to calculate the
total load on your set to avoid having the circuit breaker
trip because of overload. The lighting load is easily
determined by adding the wattage rating of each bulb in
the circuit. Check the nameplate rating on motors and
appliances
in
your
requirements.
Electrical Appliance
Blanket
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blender
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Broiler
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan, Air Circulating
. . . . . . . . . . . . . . . . . . . . . .
Fan, Furnace
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Space
. . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Water
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pan, Frying
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Percolator, Coffee
. . . . . . . . . . . . . . . . . . . . . . . . . .
Radio
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Television
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Toaster
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-18. Appliance Average
Wattage Ratings
3-16 Scheduled Maintenance
Wattage Requirements
vehicle
for
exact
wattage
Rating (Watts)
50-250
25-100
750-1500
50-100
300-750
750-1200
Construction Tools
Air Compressor (Small)
Air Compressor, 3/4 hp
Drill, 1/4 in.
Drill, 3/8 in.
Drill, 1/2 in.
Grinder, 1/2 hp
Hammer, Demolition
Hammer, HD Rotary
Paint Sprayer (Airless)
Polisher, Orbit
Power Paint Roller
Power Plane
Router
Saw, Circular 6 1/2 in.
Saw, Circular 7 1/4 in.
Saw, Table 10 in.
Saw, Sabre (Worm Drive)
Sander, Belt
Sander, Finishing
Screwdriver, Power
Shear, 12 gauge
Soldering Gun
Vacuum Cleaner, Wet/Dry
Wrench, Impact 1/2 in.
Figure 3-19. Construction Tool Average
600
1350
Motor-driven equipment generally takes 2 to 3 times
270
more the listed running amperage or wattage to start the
motor. Always check the tool or motor nameplate to be
1500
sure.
1200
650
Motor
Starting
Watts
1500
4000+
500
600
800
1500
2000
1500
400
500
120
600
900
2200
2500
4000
2500
1500
900
1000
1800
—
1500
2000
Wattage Ratings.
NOTE
TP-5605 4/97
Running
Watts
725
2000
250
350
600
1200
1800
1200
240
360
90
450
700
1000
1200
1500
1200
600
360
530
720
250
1260
840
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