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In line Coil

  • 14-06-2017 7:32pm
    #1
    patsy_mccabe
    Registered Users, Registered Users 2 Posts: 11,123 ✭✭✭✭


    Opened up an electrical hedge trimmer today and the power lead had a coil winding just inside the handle. Basically it was a metal rectangle shape with about 8 windings on each side, neutral on one side, the live on the other.
    What is this? Is it some sort of surge protector.


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  • #2
    DublinDilbert
    Registered Users, Registered Users 2 Posts: 5,401 ✭✭✭DublinDilbert


    patsy_mccabe wrote: »
    Opened up an electrical hedge trimmer today and the power lead had a coil winding just inside the handle. Basically it was a metal rectangle shape with about 8 windings on each side, neutral on one side, the live on the other.
    What is this? Is it some sort of surge protector.

    It's to prevent conducted/radiated emmissions from the motor, it will act as a filter / choke.


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