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 5999-01-380-0177
NSN 5999-01-058-8965
NSN 6620-01-462-0001
NSN 5915-01-513-9122
NSN 5920-01-074-6865
NSN 5965-00-647-3972
NSN 5920-01-086-6392
NSN 5975-00-788-5282
NSN 6105-00-938-1915
NSN 6650-01-558-5796
NSN 5895-01-023-8446
NSN 5915-01-499-5242