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 5920-01-311-6855
NSN 6320-01-607-0347
NSN 6110-00-009-9334
NSN 5960-00-853-8702
NSN 5910-00-972-2898
NSN 4140-01-551-7286
NSN 6320-01-539-4789
NSN 5920-01-136-2260
NSN 6240-01-510-3050
NSN 5895-00-262-4331
NSN 7035-01-245-7973
NSN 6150-00-519-5619