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 5895-01-032-4938
NSN 6645-01-462-2101
NSN 6610-01-105-9520
NSN 5996-00-831-2905
NSN 6110-01-042-4117
NSN 5945-00-789-5283
NSN 6130-00-081-9879
NSN 5998-01-019-8362
NSN 6105-00-521-1136
NSN 5920-01-537-0684
NSN 5855-00-138-2386
NSN 5930-01-261-6008