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Copper sheets are used as primary connectors materials in 0.4kV low-voltage drawer switchgearmainly because copper has the following advantages, which can ensure the efficient and safeoperation of electrical equipment:

After a power outage on the high-voltage line, workers can climb onto the pole and use a cloth to wipe the insulators. If the pollution is heavy, you can use a damp cloth or detergent to scrub. If it still cannot be cleaned thoroughly, it may be necessary to replace the insulator or use a composite insulator.

​High-voltage grounding switches are important safety equipment in power systems. When using them, it is necessary to clarify the prerequisites, comply with operating specifications, pay attention to safety protection, and strengthen maintenance and inspection. Stop operation immediately and report any abnormal situation. Improve the skill level and safety awareness of operators through training and education to ensure the safe and reliable operation of high-voltage grounding switches.

The high and low voltage switch cabinet consists of two parts: the cabinet and the circuit breaker, with functions such as overhead inlet and outlet, cable inlet and outlet, and busbar connection.