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Reference the wiring diagram in Figure 2-4 for the recommended fusing
arrangement.
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The AC/DC Power Supply should have an AC outlet with a clean earth
ground. If you are not sure how to verify the amount of electrical noise
(interference) on the power line, ask a qualified electrician to measure the
input line voltage.
Figure 2-4. Input Power Wiring
AC/DC Power
Supply
Power
Mains
Neutral
Line
Ground
Earth
Ground
Panel
Ground
Panel
Ground
Main
Breaker
Panel
Checkstand
Breaker Panel
Neutral
Line
Ground
Neutral
Line
Ground
Lighting
Inductive Loads
(e.g. Conveyor Belts, Motors, etc)
Scanner or
Scanner/Scale
POS Terminal
On/Off
Switch
On/Off
Switch