Klein Tools Receptacle Testers - RT500 & RT600
The RT500 and RT600 Receptacle Testers are designed to detect the most common wiring problems in standard 120V receptacles. The RT600 also tests GFCI receptacles. These products test for correct wiring, open ground, reverse polarity, open hot, open neutral, hot and ground reversed. The large light indicators are made for greater visibility and the reinforced prongs are designed for increased durability. A push-pull design has slip-resistant ribbing.