Klein Tools Receptacle Testers are designed to detect the most common wiring problems in standard and GFCI receptacles. A convenient chart on the tester helps determine wiring condition in outlet, based on lights results. Conditions indicated: open ground, reverse polarity, open hot, open neutral, hot/ground reversed.

WARNING

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