Snorkel TB100J - Manual (Page 73)

10. DAILY INSPECTION & MAINTENANCE
10 - 14 P/N 0112478
24. GFCI (Ground Fault Circuit Interrupt)
Connect the power-input connector (at the rear
of the turntable) to a source of 125 V ac, 20 A
electrical power. (If the TB100J is equipped
with the optional ac generator, connect the
power-input connector to the ac generator, start
the engine, then set the AC GENERATOR
switch to ON.)
Push the TEST button (1) in on the GFCI. The
RESET button (2) should pop out. Press the
RESET button (2) back in. (Set the AC
GENERATOR switch to OFF if you used the
optional ac generator.)