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 5990-01-074-6549
NSN 5920-01-319-6790
NSN 5945-01-417-5986
NSN 5910-01-218-5987
NSN 5960-01-225-1610
NSN 5920-00-081-9156
NSN 5950-01-057-5594
NSN 5930-01-062-0074
NSN 6220-01-096-1049
NSN 5975-00-665-3644
NSN 6620-00-905-6590
NSN 7035-00-329-4015