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 5835-01-512-4834
NSN 6645-00-819-5045
NSN 5925-00-544-5980
NSN 6150-00-453-3137
NSN 5920-00-705-2916
NSN 6610-01-457-1974
NSN 6150-01-373-5616
NSN 5965-01-381-2998
NSN 5915-00-103-3114
NSN 6150-00-945-3214
NSN 6110-01-102-0222
NSN 5965-01-659-7521