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Question on potentiometers

Discussion in 'Electronic Design' started by Dave, Jul 9, 2007.

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  1. Dave

    Dave Guest

    I see in the August 2007 Jameco catalogue that some potentiometers are
    listed as having the property of a "non-rotational key." Can someone tell
    me what this means?

    Any help is appreciated.

  2. DaveM

    DaveM Guest

    A non-rotational key is a pin or tab on the front surface of the pot that fits
    into a hole or slot in the panel that the pot is mounted on. Keeps the pot from
    spinning if the mounting nut works loose. Also assures an accurate mounting
    position for the pot, needed if the mounting surface has a dial or other legend
    painted or engraved.

    Dave M
    MasonDG44 at comcast dot net (Just substitute the appropriate characters in the

    "In theory, there isn't any difference between theory and practice. In
    practice, there is." - Yogi Berra
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