The outside of the adapter should be wrapped with a large cross-sectional area of black rubber band. The inside should be coated with yellow wax cloth or yellow wax cloth to improve the heat preservation performance. It cannot exist in electrical structures, luckily you must take precautions and pay attention to all the above steps to avoid fire accidents due to bad electrical connections. Oxidation of conductor joints In an ecological environment with humid and corrosive air, an oxide layer is easily formed on the conductor, and oxidized copper wires will appear on the copper. The conductivity of aluminum oxide is more likely to be formed on the aluminum wire. In the workshop, the wires of the DC Cable harness are corroded by acidic air for a long time, and the conductor forms an oxide layer on the surface, resulting in an increase in contact resistance. After turning on the power, high temperature will occur.
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