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 5835-01-281-7281
NSN 5935-01-378-1939
NSN 6650-00-161-4122
NSN 5895-01-303-4936
NSN 5975-01-215-1205
NSN 5996-01-550-5086
NSN 6650-00-774-7078
NSN 6105-00-079-9323
NSN 6110-01-140-3009
NSN 6130-01-651-5320
NSN 6130-01-292-6458
NSN 5999-01-585-6904