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 5905-01-399-8656
NSN 6610-00-551-3610
NSN 6130-00-334-0691
NSN 6620-00-106-9658
NSN 5930-00-528-8600
NSN 5895-01-211-6807
NSN 6620-01-179-7259
NSN 6320-00-731-6134
NSN 5855-01-224-7975
NSN 5920-01-568-0684
NSN 5910-00-053-3493
NSN 5910-01-556-8008