American Recorder Technologies Ground Fault Outlet Receptacle Tester 110V

Simply plug in this outlet tester and watch the red and amber indicators. Detects faulty wiring in 3-prong outlets. Plug in the receptacle tester for quick verification of outlet's electrical circuit condition. It uses simple indicator lights (two amber, one red) to let know if circuit is operating correctly and is safe for use with gear. Using the indicator lights, it will give six results, letting know that the circuit has:Open groundOpen neutralOpen hotHot/ground reverseHot/neutral reverseCorrect