Prime Products Ac Circuit Tester. Plug it in and instantly know if the circuit is correctly wired. Red and amber indicators show six possible conditions. For use on typical 3 wire receptacles. Features of Prime Products 12-4061 Ac Circuit Tester Red and amber indicators show 6 possible conditions For use on 3 wire receptacles Works quickly Designed for easy use Package Contents: Prime Products 12-4061 Ac Circuit Tester Prime Products 12-4061: Ac Circuit Tester