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 5935-01-045-0192
NSN 5910-01-139-3014
NSN 6105-00-005-8505
NSN 6320-00-925-0558
NSN 5930-00-001-9213
NSN 5965-01-396-7391
NSN 5950-01-391-7174
NSN 6620-00-479-9425
NSN 6220-01-350-5839
NSN 5950-01-523-5052
NSN 6620-01-530-1201
NSN 5855-00-466-2309