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6.8 Ground Connection
Ground cable should be grounded properly. Otherwise,
• Electrical hazards may follow if a fault occurs.
• The device may be damaged during lightning.
• The device may not operate normally.
• Observe codes and regulations of the country/region where the project is lo-
cated to perform ground connections.
• The grounding connection must be secure and reliable.
• Measure to ensure the ground resistance is no more than 4Ω.
Respect all internal connection marks and instructions.
6 Electrical Connection User Manual