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 6220-00-577-3435
NSN 7035-01-386-5722
NSN 5965-01-447-6485
NSN 6610-01-490-5802
NSN 5945-01-209-6564
NSN 5985-00-820-0907
NSN 5985-01-250-4385
NSN 7035-01-523-0139
NSN 5950-01-265-1998
NSN 6150-00-187-0527
NSN 6130-01-085-5931
NSN 5835-01-626-9603