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 5905-00-584-8447
NSN 7035-00-870-0290
NSN 5855-01-596-9264
NSN 6320-00-456-0836
NSN 7035-01-466-1577
NSN 6620-01-024-7003
NSN 6685-01-460-5538
NSN 7035-00-922-5700
NSN 5910-01-236-6733
NSN 6610-01-296-4031
NSN 5996-00-513-0485
NSN 5835-00-984-1233