US PATENT SUBCLASS 324 / 551
.~.~ Insulation

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}
537  DF  .~ Of individual circuit component or element {17}
551.~.~ Insulation {3}
552  DF  .~.~.~> Bushing
553  DF  .~.~.~> Oil
554  DF  .~.~.~> Sheet material

DEFINITION

Classification: 324/551

Insulation:

(under subclass 537) Subject matter for checking a defect in a nonconductive material which separates the conductor from an unintentional electrical path between another conductor or ground.

SEE OR SEARCH THIS CLASS, SUBCLASS:

509+, for ground fault indication.

541, for insulating fault in a multiconductor cable.

544, for insulation fault in a single conductor.

548, for insulator faults in a capacitor.

557+, for detecting faults in insulating material not used in an electric circuit or component. SEE OR SEARCH CLASS

340, Communications: Electric,

647, for checking the condition insulation.