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 6145-01-005-3260
NSN 6110-01-593-2951
NSN 5965-01-360-0454
NSN 6650-01-633-9147
NSN 6650-00-372-6035
NSN 6610-01-468-3025
NSN 6110-01-222-2027
NSN 5925-01-100-5478
NSN 5895-01-588-7848
NSN 5835-00-289-9080
NSN 6105-00-914-3775
NSN 6685-00-245-9521