Klein Tools RT110 Receptacle Tester detects the most common wiring problems in standard receptacles. Conditions indicated: wiring correct, open ground, reverse electrical outlet, 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.Warnings Read, understand, and follow all warnings and instructions before operating testers. Always wear approved eye protection. Always consult a qualified electrician to resolve wiring problems. Features Designed to detect the most common wiring problems in standard receptacles Built to withstand a 6.6-foot (2m) drop Outlet tester's light sequence on receptacle tester indicates correct/incorrect wiring Receptacle tester conforms to UL Std 1436, Certified to CSA Std C22.2 #160 Voltage: 110/125V AC at 50/60Hz in 3-Wire Outlet Drop Protection: 6.6 ft (2 m) Operating Temperature: 32 to 140 F (0 to 40 C) Overall Height: 2.88 in (7.3 cm) Height: 1.62 in Overall Length: 1.62 in (4.1 cm) Depth: 3.0 in Overall Width: 1.88 in (4.8 cm) Width: 1.875 in Weight: 0.122 lbs (1.95 oz) GFCI: No Country of Origin: China InstructionsRT110-1330230ART - WEB.pdfDownloadsSpec SheetVideo Download