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Grounding
Grounding the generator helps prevent electrical shock if a ground fault condition develops
in the generator or in connected electrical devices. Proper grounding also helps dissipate
static electricity, which often builds up in ungrounded devices. Grounding a generator
with a wheel kit installed is especially important. The generators covered in this manual
have two ground terminals, one on the frame and one on the control panels. For ground
terminal location(s) see the COMPONENT LOCATION section of this manual. It is strongly
recommend that you refer to NEC 250.34 (sections A,B, and C) and/or consult with a local
electrician for grounding requirements in your area before operating the generator.
Failure to properly ground your generator will create an electrical shock hazard that
could result in severe injury or death. To prevent an electric shock hazard, be sure to
provide the correct ground for the desired use of the generator per the National Electric
Code (NEC) 250.3 (sections A,B,and C) or consult with a local electrician to learn the
appropriate grounding requirements.
Do not connect devices with worn, frayed, bare, or otherwise damaged electrical cords
to the generator. Electrical shorts caused by damaged wiring can damage the generator
and touching live damaged electrical cords or bare wires will cause serious injury or
death. To avoid these electrocution hazards, inspect all electrical cords before using them
and do not use any cords that are damaged or showing bare wires.
Connecting Generator to the Electrical System of a Building
Do not attempt to backfeed power into your house from the generator. Backfeeding is trying
to power your home by plugging the generator into a wall outlet. Backfeeding can damage
electrical devices in your home, start an electrical fire, and cause severe injury or death to
utility workers and others on your electrical grid.
Using a transfer switch is recommended when connecting a generator directly to a building's
electrical system. Connections for a portable generator to a building's electrical system
must be made by a qualified electrician and in strict compliance with all national and local
electrical codes and laws.
Backfeeding can damage electrical devices in your home, start an electrical fire, and
may cause severe injury or death to utility workers and others on your electrical grid.
To prevent backfeeding, do not plug the generator into your home's outlets and have a
qualified electrician install the generator if used as a back up power source.
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DANGER:
DANGER:
DANGER:
DANGER:
WARNING:
WARNING:
GROUNDING
ELECTROCUTION
BACKFEEDING
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