Detection: Check the appearance of the cable: frayed or cracked exposed cables, scratches on the surface, etc.
Check the cable plug: the plug is free from looseness, corrosion and rust.
Measure the resistance of the cable: You can use a multimeter or battery meter to check whether the resistance of the cable meets the standard value.
Check the cable insulation layer: use a multimeter or battery meter to check whether the cable insulation layer is leaking.
Repair Method: Replace the cable: If the cable looks frayed, cracked, etc., the cable needs to be replaced.
Replacement plug: If the cable plug is loose, corroded, or rusted, the plug will need to be replaced.
Repair the cable: If the damage to the cable is minor, it can be repaired with insulating tape.
Clean the cable: If there is dust, oil stains and other dirt on the surface of the cable, you can use a cleaning agent to clean it.
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