1.ground clamp 2.strain clamp 3.copper lugs with clamp 4.c-clamp 5.insulation piercing connector 6.wedge clamp 7.aluminium-alloy tension clamp 8.four-core-centralized dead end clamp 9.aluminium-alloy dead end clamp 10.copper earthing rod 11.copper power shunts 12.parallel-groove connector