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Why should high voltage insulating rubber plates be laid around the front and rear of high and low voltage distribution boxes?
The purpose of laying insulating rubber plate is to ensure safety better, because if both hands and feet are exposed to electric shock when electric shock, there will be risk. If one of them is insulated to the ground, it will not be easy to get electric shock. Then, the safety hidden danger of the actual operation staff is ensured.
Production process and technical standards of high pressure rubber insulation board:
1. Rubber insulation board is made of rubber and insulating layer materials and other Chinese medicine preparations. It is made by the processing technology of tablet computer vulcanization or drum test vulcanization. It is used in high and low voltage distribution room, driving power main machine room and other places. The common color is gray black.
2. What technical standards do rubber insulation plates have
1) The raw material specifies that the insulating rubber pad is generally made of rubber insulation layer material.
2) The length and total width of the insulation rubber pad for specific application shall not be less than 600mm according to the specifications.
3) The thin thickness is not limited, but the performance of the insulation must conform to the experimental provisions.
4) Art and forming regulations
Test method for working voltage resistance of high voltage insulating rubber plate:
Each insulating rubber plate shall be tested for the resistance to working voltage. The inspection method is to put the rubber plate of insulation layer on the structure with metal sheet (aluminum alloy plate can be used generally), place a metal sheet on the rubber plate of insulation layer, and then put one electric level connecting the transformer on the metal sheet, and the other electric level is connected to the other side of the insulating rubber plate, and then rise to the working voltage required by the inspection at the rate of 1000v/s, Keep for 1 minute and record the reading value indicated on the MAH meter. Those who do not penetrate are qualified products. The insulation rubber plate penetrated by high voltage during inspection is allowed to be repaired at the perforation. However, it is necessary to carry out the resistance test of working voltage again after repair. Only the acceptance personnel can apply it and only make secondary products.