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 5985-00-378-8558
NSN 5965-00-543-1837
NSN 5945-01-298-2750
NSN 5910-00-174-9238
NSN 5895-01-568-7063
NSN 5855-01-277-1663
NSN 2925-01-016-3111
NSN 5998-00-227-2118
NSN 5945-01-185-6596
NSN 5998-01-656-5554
NSN 5965-01-180-7070
NSN 7035-01-021-1413