An item specifically designed to test and/or monitor an electrical circuit and indicate its operating condition by means of a display, such as lamps or light emitting diodes. Examples of conditions being indicated are power on, no power, reversed polarity, open ground, open neutral, alternating current and/or direct current. It may or may not be used to indicate definite power line voltage ratings, such as 110, 220 and 440 volts. It is designed to be inserted in the circuit being tested. For items designed to indicate with out physical contact with the object being tested, see indicator, electrical potential. See also light, test, and voltmeter.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5935-01-427-9583
NSN 6240-01-563-3990
NSN 5960-00-728-3459
NSN 5855-01-178-6396
NSN 6105-01-290-1640
NSN 6110-00-762-2851
NSN 6240-01-435-1387
NSN 2925-01-196-6187
NSN 5930-01-047-4927
NSN 5990-01-074-6549
NSN 5965-00-959-4910
NSN 6130-00-842-3813