High Voltage Isolating Switch Installation Standard Matters

9. The lead wire should not be loose, broken, twisted, or have joints.
10. The lead wire and connecting wire should be firmly connected and in good contact without damage or burns. The distance between the lead wire and the grounding body should be no less than 300mm. The length of the lead wire should ensure that there is a certain margin of activity when the contact suspension temperature changes, but it should also be prevented from invading the limit. The distance between the lead wire and the grounding body when it swings to the limit position meets the regulations.
11. The electrically operated vertical fuse switch disconnector motor should be turned correctly, the mechanical system should be well lubricated, and the opening and closing indicator should be consistent with the actual position of the switch.
12. The different period values ​​of the bipolar nhrt40 vertical fuse switch disconnector contact should meet the technical conditions of the product, and if there is no clear provision, it should not exceed 5mm.