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SHOCK PROOF DEVICES AND METHODS

  • US 20090251839A1
  • Filed: 04/09/2008
  • Published: 10/08/2009
  • Est. Priority Date: 04/02/2008
  • Status: Active Grant
First Claim
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1. A device for preventing an electric shock, the device comprising:

  • output terminals for connecting to an external load;

    a low voltage circuit for carrying a first current (IL) to the output terminals, the low voltage circuit comprising a first coil disposed about a magnetic core;

    a high voltage circuit for carrying a second current (IH) to the output terminals, the high voltage circuit comprising a second coil disposed about the magnetic core; and

    a control relay configured to electrically connect one of the high voltage circuit and the low voltage circuit to the output terminals based at least partly on the first current (IL).

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