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What's the purpose of front white cap that desk fans have?

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  1. Feb 22, 2016 #1
    Every desk fan has it. What's the purpose of the white cap attached to the front fan grille?
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  2. jcsd
  3. Feb 22, 2016 #2

    phinds

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    it just provides a center for the radial wires to meet up at. It could just as well be a ring of wire but this is more decorative. My silver fan has a slightly more complex one.
     
  4. Feb 22, 2016 #3

    billy_joule

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