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ac/dc adapter line collar

Discussion in 'Electronic Design' started by john, Jun 8, 2008.

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  1. john

    john Guest

    I was going to substiute an ac to dc adapter for one which had gone bad.
    The substiute has all the right specs, except that it is missing a
    cylindrical rubber collar that the original had situated near the plug.
    What is the purpose of this collar and is it necessary that a substitute
    have it as well?
    Thank you in advance.
  2. john

    john Guest

    Thanks Dave. I appreciate the reply.

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