US PATENT SUBCLASS 324 / 510
.~.~ Of electrically operated apparatus (power tool, appliance, machine, etc.)

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

500  DF  FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS {10}
509  DF  .~ Of ground fault indication {1}
510.~.~ Of electrically operated apparatus (power tool, appliance, machine, etc.)

DEFINITION

Classification: 324/510

Of electrically operated apparatus (power tool, appliance, machine, etc.):

(under subclass 509) Subject matter for detecting an undesirable current leakage between an ungrounded and grounded part of equipment normally caused by defective insulation.

(1) Note. The object under test could be an electric circuit, or a portable device, where detection is limited to a ground fault.

SEE OR SEARCH THIS CLASS, SUBCLASS:

511, for electrical faults, other than a ground fault, or other faults in addition to a ground fault, in an electrically operated power tool, appliance, machine, equipment, etc.