| 324 / | HD | ELECTRICITY: MEASURING AND TESTING | 
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| 500 | DF | FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS {10} | 
| 537 |  | .~ Of individual circuit component or element {17} | 
| 750 | DF | .~.~> System sensing fields adjacent device under test (DUT) {3} | 
| 754 | DF | .~.~> With probe elements {8} | 
| 763 | DF | .~.~> DUT including test circuit | 
| 764 | DF | .~.~> With identification of DUT | 
| 765 | DF | .~.~> Test of semiconductor device {1} | 
| 770 | DF | .~.~> Liquid crystal device test | 
| 771 | DF | .~.~> Power supply test | 
| 772 | DF | .~.~> Motor or generator fault tests | 
| 538 | DF | .~.~> Electrical connectors | 
| 539 | DF | .~.~> Multiconductor cable {3} | 
| 543 | DF | .~.~> Single conductor cable {1} | 
| 545 | DF | .~.~> Armature or rotor | 
| 546 | DF | .~.~> Winding or coil {1} | 
| 548 | DF | .~.~> Capacitor | 
| 549 | DF | .~.~> Resistor | 
| 550 | DF | .~.~> Fuse | 
| 551 | DF | .~.~> Insulation {3} |