6.5 Earth Grounding Instructions
6.5.1 External Earth Grounding
Fasten the crimped ground wire with hardware as illustrated below.
The wire should have a minimum cross-section area of 4mm
2
for its
conductor.
6.5.2 Internal Earth Grounding
Use the same hardware as shown in the illustration of external earth
grounding. The wire should be no less than the size of the power lines.
Signal grounding can connect to a cable’s shielding layer if shielded
cable is used. If a separate wire is used for grounding, its cross section
should be greater than that of the power line.