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 5910-01-253-4148
NSN 5915-00-020-7813
NSN 6320-01-364-1840
NSN 5930-01-422-5483
NSN 5965-01-288-4736
NSN 5945-00-102-8111
NSN 5925-01-415-4809
NSN 5998-00-056-0281
NSN 5985-00-054-6374
NSN 5930-00-486-9121
NSN 5990-01-480-9938
NSN 5996-01-133-6058