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 5835-00-969-1920
NSN 5905-01-440-4916
NSN 5975-00-869-6480
NSN 5855-01-179-2702
NSN 6320-01-072-2073
NSN 5920-01-273-3144
NSN 6650-01-183-0711
NSN 6650-01-485-5388
NSN 6150-00-153-7296
NSN 5930-00-785-6503
NSN 6105-00-159-7801
NSN 6320-01-333-5782