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 5895-01-422-4863
NSN 6620-01-262-7317
NSN 5996-01-633-7979
NSN 7035-00-553-6951
NSN 6105-00-359-9243
NSN 6145-00-192-3094
NSN 6320-01-029-4220
NSN 5925-01-411-7839
NSN 5960-00-470-2570
NSN 5975-00-189-0857
NSN 6685-01-092-1881
NSN 5935-01-642-5131