GBC FusionPunch II Service Manual page 285

GP-3 AC Power Source
WARNING
AC input voltages are dangerous. Use extreme care to check
the voltages.
NOTE: If any of the AC voltage measurements are not within the
specifications, a qualified electrician retained by the customer
must make the required repairs. If you later find the condition is
not corrected, inform your manager in writing of the improper
wiring.
110 VAC: Voltage at the wall receptacle must be from 100 VAC to
120 VAC between AC line and AC neutral and between AC line and
GND. Voltage should be less than 3 VAC between GND and neutral.
If the voltage is not correct, a licensed electrician must correct the
voltage.
AC Neutral GND
Figure 6-7 Wall Receptacle
GBC FusionPunch II Service Manual
AC Line
12/2003
6-13
GP-3 AC Power Source