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 5895-00-082-4269
NSN 5999-00-075-0177
NSN 6240-00-119-4182
NSN 6240-00-357-7976
NSN 6150-01-278-1166
NSN 5925-00-473-2622
NSN 6220-00-918-5599
NSN 5996-01-642-1095
NSN 5915-01-297-0722
NSN 6220-01-085-4947
NSN 5996-01-012-4188
NSN 5975-01-257-1220