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 6685-01-420-5764
NSN 6130-01-376-3738
NSN 5950-00-644-0164
NSN 5996-00-941-6269
NSN 5835-01-360-2657
NSN 6110-01-017-8787
NSN 5990-00-230-8981
NSN 6685-01-199-1304
NSN 6650-01-449-1413
NSN 5985-01-432-0157
NSN 5975-00-456-6003
NSN 6240-01-265-0599