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 5975-01-084-6114
NSN 6220-01-297-2384
NSN 5950-01-285-1108
NSN 6145-01-606-9941
NSN 5905-01-203-3881
NSN 6220-00-856-3583
NSN 5895-01-437-8871
NSN 5965-00-116-8982
NSN 5920-00-933-5439
NSN 2925-01-043-9786
NSN 5950-00-529-0264
NSN 6620-00-186-8220