35
Grounding
Grounding of the RCU and connected
accessories in the correct way is critical to
ensuring operator safety.
Hazardous voltages.
Can cause death or serious injury.
RCU enclosure must be solidly grounded. Follow ANSI C2 (NESC) practices
for grounding the RCU enclosure. Improper grounding can expose
operator to high voltage.
The RCU cubicle must be bonded to ground using
the M12 enclosure ground (earth) stud provided
to meet the safety requirements of the utility. The
ground wire must be #6 AWG (16 mm
2
) in size or
larger. It is the user’s responsibility to provide the
ground wire.
Item Description
A Ground wire
B Ground grid or ground rod
A
B
Figure 29: RCU grounding diagram
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