CHAPTER 10 – PREVENTIVE AND CORRECTIVE MAINTENANCE 166
10.6.5 Connecting a grounding set
1. Connect the enclosure ground clamp (10-10: 1)
to the ground ball stud of the cabinet’s ground-
ing frame.
2. Use the telescopic insulating pole to connect
the busbar ground clamps (10-9: 3) to the
ground ball studs of the busbars, and to tighten
each connection.
Connect the inner most busbar first (10-10: 3),
then the middle busbar (10-10: 4) and then the
outer busbar (10-10: 5).
10-9 Four-way grounding
set
1. Telescopic i
nsulating pole
2. Enclosure g
round clamp
3. Busbar grou
nd clamps
3
3
3
2
1
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