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 6685-01-463-9078
NSN 5960-01-495-0859
NSN 5835-01-307-8954
NSN 5999-01-407-7479
NSN 5935-01-194-7398
NSN 6110-01-139-3528
NSN 5905-01-498-1421
NSN 5996-00-607-5605
NSN 7035-01-106-3476
NSN 5935-00-484-3191
NSN 6620-01-352-5640
NSN 6145-01-028-9984