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 6145-01-353-4154
NSN 5990-01-426-7350
NSN 5920-01-164-8260
NSN 6645-00-775-2172
NSN 5895-01-634-0630
NSN 5855-01-644-0445
NSN 6650-01-412-1490
NSN 6220-01-506-5349
NSN 6105-01-573-0313
NSN 5925-01-443-6246
NSN 6240-01-394-5320
NSN 6105-01-525-7295