Champion 40010 Owner's Manual And Operating Instructions page 13

WARNING
Failure to properly ground the generator can
result in electric shock.
A ground terminal connected to the frame of
the generator has been provided on the
power panel. For remote grounding, connect
Rev 40010-20070427
of a length of heavy gauge (12 AWG
minimum) copper wire between the
generator ground terminal and a copper rod
driven into the ground. We strongly
recommend that you consult with a qualified
electrician to ensure compliance with local
electrical codes.
Assembly
9