Rice Lake 720i Programmable Indicator/Controller - Installation Manual - Manual (Page 20)

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From Power Supply
14 720i Installation Manual
Figure 2-7. 720i Universal Model, CPU Board and Backplate
Ground wire (13)
to backplate (22)
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Ground wire from
power cord (15)
Grounding Stack
Figure 2-8. 720i Universal Model, Grounding Detail