The Extech ET10 is a compact and reliable tool designed to quickly test standard 3-wire AC receptacles for proper wiring and functionality. With bright LED indicators, it easily identifies correct wiring, open ground, open neutral, open hot, hot/ground reverse, and hot/neutral reverse conditions. It also features a convenient GFCI test button to verify the proper operation of ground fault circuit interrupter outlets. Features: Tests standard 3-wire AC outlets for proper wiring. Bright LED indicators for easy-to-read results. Built-in GFCI test button to check safety functionality. Lightweight, pocket-sized, and easy to use. Essential tool for electricians, contractors, and DIY homeowners. Rent the Extech ET10 for fast and accurate outlet and GFCI testing, ensuring electrical safety in your home or job site.