How to do pin hole test with salty water

  Coils Winding Equipment
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In the video, the wound stator by BLDC needle winding method, 2 parallel wires,  ...  diameter, you can see pinhole test result. Enameled wire pinhole test method , use 6 meters wires without bending and unstretched copper sample, be immersed in 3% alco

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How to do pin hole test with salty water
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