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 5985-01-421-9434
NSN 5930-01-400-6126
NSN 6650-01-009-8026
NSN 4140-01-604-9981
NSN 6105-00-225-8745
NSN 5998-00-198-5479
NSN 6620-01-560-7832
NSN 5925-01-201-7424
NSN 5930-00-158-6359
NSN 5985-01-625-7094
NSN 5990-01-200-3711
NSN 5910-01-238-2172