.~.~> Of electrically operated apparatus (power tool, appliance, machine, etc.)
DEFINITION
Classification: 324/509
Of ground fault indication:
(under subclass 500) Subject matter for detecting an unintentional electrical path where defective insulation causes an electrical conductor to leak current to ground.
SEE OR SEARCH THIS CLASS, SUBCLASS:
508, for determining a ground fault in a line wire connected to a receptacle.
541, for insulation fault in a multiconductor cable.
544, for insulation fault in a single conductor cable.
551, for insulation fault.
SEE OR SEARCH CLASS 361, Electricity: Electrical Systems and Devices,
42+, for ground fault protection control circuits, and subclass 170 for relay circuits responsive to external conditions.