Designed to detect the most common wiring problems in standard 120V receptacles.
Test for correct wiring, open ground, reverse polarity, open hot, open neutral, hot and ground reversed.
Conditions NOT indicated: Quality of ground, multiple hot wires, combinations of defects, reversal of grounded and grounding conductors.
Large light indicators for greater visibility.
Reinforced prongs for increased durability.
Push-pull design with slip-resistance ribbing.
Made in USA of U.S. and imported parts.