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- Dec 08, 2017 -

The socket sleeve assembly should be flexible enough to ensure that there is sufficient contact pressure on the plug pins. The  sleeve should be corrosion and wear-resistant to ensure good contact  between the plug and socket mating parts; the plug latch should be  locked and can not be rotated, otherwise it will affect the insertion  performance and produce unsafe factors; the converter has a cord fixing  device to ensure Cord fixed, able to withstand the  normal tension and torsion, etc .; plug and socket mating, mating  surface should be between the basic strict to prevent accidents caused  by electric shock.