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 6135-01-470-4077
NSN 6145-01-175-5988
NSN 5930-00-493-6502
NSN 5945-01-333-0310
NSN 7035-00-763-6180
NSN 5999-01-323-8553
NSN 6685-01-415-3117
NSN 5930-01-048-8928
NSN 5935-01-551-6821
NSN 5999-01-400-5933
NSN 6130-01-331-8348
NSN 5999-01-106-8993