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Chapter 3: Site Preparation 3-13
Wiring Instructions
Running Feeder Lines from Main Service Panel
1.
Select the most appropriate wiring diagram as a guide.
2.
Run two separate feeder lines in conduit from the Main Service
Panel in the checkstand to the customer equipment and to the NCR
Distribution Panel.
•
Line 1 services Circuit A which is for customer equipment such
as checkstand belt motor, counter lighting, and cooling fans.
•
Line 2 is dedicated to service the NCR equipment, typically
Circuit B and Circuit C.
Circuit A
3.
Electrically connect the grounding conductor in Circuit A to Store
Ground.
4.
Electrically connect conduit and checkstand junction box to the
frame of the checkstand, if conductive, or to a common tie point if
not conductive.
5.
Connect to the grounding conductor in Circuit A (which is Store
Ground) any
•
conduit,
•
metal parts,
•
store ground devices
•
counter belt motor ground, and
•
other counter equipment grounds.