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The counter plan for electromagnetic interference wave of electric device was constantly studied and provided as a product in manufacturing industries.
Those equipments are connected with cables and cable harness. the cable harness is composed with complicated power, control, sensor signal lines. On the other hand, these cables are carrying unnecessary EMI elements to the equipment which is delicated from EMI. Even worse, it has a function of antenna to transfer unwanted EMI.
EMI in electric equipments occurs almost 80～90% in cable harness, it can not be over emphasized. And it is not a easy solution to protect EMI on one point of cable harness considering characteristics of cable harness.
In cable harness, the Composition of connector is very Complicated and various. this connector must provide less contact resistance when it is connected between each equipments, further it also must provide proper protection from EMI, all of cable harness components including connector itself should be suitable for EMI Protection.