About this item Outlet tester's light sequence indicates correct/incorrect wiring, ensuring easy identification of wiring issues Receptacle tester conforms to UL Std 1436 and is certified to CSA Std C22.2 #160, ensuring safety and quality Can be used in temperatures ranging from 32-degrees F to 140-degrees F (0-degrees C to 40-degrees C), providing versatility Built to withstand a 6.6-foot (2m) drop, ensuring longevity and reliability in various working conditions Designed for use with 110/125V AC at 50/60Hz in 3-wire outlets, catering to common voltage requirements Specifically designed to detect the most common wiring problems found in standard receptacles, ensuring safety and functionality The receptacle tester offers a convenient solution for testing outlets and identifying potential wiring issues quickly and accurately