Reasons for discontinuing the use of aerial plug hair perms

1. found that the aviation plug surface has a dark red spot, very hot touch not on the hand, should be disconnected from the power supply, disassembled before welding the power cord and unscrew the internal conductive column, with zero-gauge emery cloth or abrasive paste sanding to the bright, remove the contact tongue connecting wires, wiring screws, tongues and sockets within the conductive column of the oxide layer to reduce contact resistance. Welding selection of matching wires, not easy too thick, affecting the direct creepage distance of the connector, resulting in sparking. 2. dismantle the aviation plug, by the way, check the insulator has not been subjected to high-temperature deformation, there is anomalous description of the internal connection through the replacement in a timely manner, can not be careless. 3. check the aviation plug pins and jacks of the plating layer there is no damage, there are no traces of sparking, found that the replacement of the same size size and type of products. 4. Test the pin and jack contact, in a stable voltage environment, the resistance is not to meet the standard, the external power is not greater than the inner power, not enough to increase the contact, that is, increase the current, and the external delivery of the current match, otherwise cause high temperature, fire.

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