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103988
OWNER’S MANUAL
RESET
240 VOLTS
RESET
RESET
RESET
RESET
TEST
120 VOLTS
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RESET
ENM
00000005
HOURS 1/10
120
ONLY
120
240V
OPERATION
GENERAL INFORMATION
This generator is not large enough to power
your entire home. Do not connect generator
to any existing electrical circuits. Plug items
directly into generator receptacles. Do not
exceed amperage rating of receptacles. Only
use grounded cords.
DANGER: Use only in well-
vented areas. Make sure area has
plenty of free-moving, fresh, out-
side air. Never run generator in
an enclosed or confined area.
Never run generator inside occu-
pied building. Engine exhaust
contains poisonous carbon mon-
oxide gas. Overexposure will
cause loss of consciousness and
will lead to death.
DANGER: Never connect gen-
erator to any existing electrical
circuits. The generator output will
back-feed into the utility power
line. This may electrocute a power
company line repair person. Also,
if generator is powering electri-
cal circuits, the chance of an elec-
trical fire exists.
Note:
We supply the engine owner’s manual
with generator. Refer to that manual for
questions concerning engine operation.
USING RECEPTACLE
Note:
Do not exceed amperage rating of
receptacles. Exceeding rating will trip re-
ceptacle circuit breaker.
Use receptacles properly. Improper use could
damage generator. Use only grounded ex-
tension cords. Power only grounded or
double-insulated items. Do not overload
receptacles. All generators (except models
HWI3000 and MGH3000) have the follow-
ing receptacles (see Figure 15):
• 120V, 15-amp GFCI duplex receptacle
• 120V, 30-amp twist-lock receptacle
• 120/240V, 20 or 30-amp twist-lock
receptacle
• 120V, 15-amp duplex receptacle
Figure 15 - Receptacle Locations
120V, 15-Amp GFCI Duplex
120/240V, 20 or 30-
Amp Twist-Lock
120V, 30-Amp
Twist-Lock
120V, 15-Amp Duplex
120/240V, 50-Amp
(Model MGH10000 only)
Model MGH10000 also has a 120/240V,
50-amp receptacle (see Figure 15).
Model HWI3000 has only the 120V, 20-
amp duplex receptacle.
Model MGH3000 has only the 120V, 15-
amp GFCI duplex receptacle.
POWER CORD AND PLUG
REQUIREMENTS
120V, 30-amp twist-lock receptacle
• NEMA L5-30P plug
• Three-wire, 30-amp cord
120/240V, 20 or 30-amp twist-lock
receptacle
• NEMA L14-20P (20-amp) or L14-30P
(30-amp) plug
• Four-wire, 20-amp or 30-amp cord
120/240V, 50-amp receptacle
• NEMA L14-50P
• Four-wire, 50-amp cord
w
G
YX
Ground
X
(Hot)
W
(Neutral)
Y
(Hot)
Ground
(Green)
L14-20P
Plug
120V 120V
Neutral
120/240 Volt
20 Amp
w
G
YX
w
G
YX
120V 120V
Neutral
Ground
Ground
X
(Hot)
W
(Neutral)
Y
(Hot)
Ground
(Green)
L14-30P
Plug
L14-20P
Plug
120V 120V
Neutral
w
G
YX
Ground
L14-50P
Plug
120/240 Volt
20 and 30
Amp
120V 120V
Neutral
Figure 16 - Cord and Plug Configurations
Continued