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 6145-00-259-6946
NSN 5965-01-028-6206
NSN 6620-01-072-9372
NSN 6150-01-032-4556
NSN 5965-01-643-5191
NSN 5835-00-929-6623
NSN 5855-01-430-5459
NSN 5975-00-868-5643
NSN 4140-01-209-2668
NSN 4140-01-237-3390
NSN 5998-00-051-9605
NSN 5960-01-450-4693