Testere circuit receptacle part name assigned by controlling agency, plastic body; 3.030 in. lg o/a; 1.424 in. w o/a; 1.427 in. h o/a; 0.5 watt 125 v receptacle tester; has three indicator lights,yellow,red and white; three pin grounded contact arrangement; indicates correct wiring,reversed polarity,open ground,open neutral,open hot,hot and ground reversed,hot on neutral hot unwired general characteristics item description, electrical,electronic properties measuring and test instruments fsc application data

An item specifically designed to test and/or monitor an electrical circuit by indicating a voltage level by means such as lamps, light emitting diodes and/or a digital display. It may have additional functions such as intensity test, polarity indication, phase and neutral identification, continuity test, and the like. Examples of conditions being indicated are power on, no power, reversed polarity, open ground, open neutral, alternating current and/or direct current. For items designed to indicate without physical contact with the object being tested, see indicator,electrical potential. See also light,test, and voltmeter.