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 5950-00-397-9869
NSN 6685-01-111-3120
NSN 5999-01-279-8640
NSN 5910-01-125-0530
NSN 5895-01-186-0414
NSN 6645-00-033-8714
NSN 5915-01-575-4832
NSN 6110-01-496-8038
NSN 6240-00-514-3507
NSN 5998-01-200-7715
NSN 6685-01-426-8929
NSN 5915-01-435-1679