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 5835-00-980-0468
NSN 5855-01-160-3802
NSN 5965-00-527-8818
NSN 5999-01-436-0857
NSN 6220-01-426-2778
NSN 6685-00-694-2641
NSN 5945-00-738-8545
NSN 6650-01-261-5239
NSN 6130-00-453-9204
NSN 4140-01-154-2216
NSN 6610-01-559-5073
NSN 5855-01-154-3871