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 6130-01-498-5268
NSN 5998-01-291-2839
NSN 2925-01-317-6973
NSN 5915-00-383-1471
NSN 2925-00-150-7334
NSN 6685-01-484-8804
NSN 5996-00-383-6173
NSN 6110-00-248-2942
NSN 5960-00-140-9583
NSN 7035-01-068-3300
NSN 6105-01-555-8995
NSN 2925-01-542-1865