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 6610-01-024-5360
NSN 5935-01-117-7440
NSN 6135-00-932-3136
NSN 5855-01-453-6384
NSN 6145-01-059-1201
NSN 5925-00-932-3027
NSN 5960-01-654-4353
NSN 6110-01-067-7677
NSN 5930-01-571-8587
NSN 5999-01-297-2674
NSN 5965-01-480-8784
NSN 6150-01-544-6456