Klein Tools Receptacle Tester detects the most common wiring problems in standard receptacles. Conditions indicated: wiring correct, open ground, reverse polarity, open hot, open neutral, hot/ground reversed. Conditions NOT indicated: quality of ground, multiple hot wires, combinations of defects, reversal of grounded and grounding conductors.

WARNING

• Read, understand, and follow all warnings and instructions before operating testers.
• Always consult a qualified electrician to resolve wiring problems.