RCD Electric Socket Tester Outlet Test For Polarity Detector Automatic Neutral Point Charged Grounding Wire Circuit US/EU Plug Features: 1. Electrical Outlet Tester - Advanced Outlet Tester for quick detection of proper outlet wiring. 2. Designed with RCD test button - power socket for proper wiring and RCD trip function. It tests protection systems to ensure home electrical safety. Perfectly protects your safety from the risk of electric shock. 3.Easy to use - Detects that neutral, live and ground wires are properly connected and indicates miing wires with a clear light pattern. 4. Bright LED light and 3 test indicator lights - The light mode is well marked on the face of the socket tester. The tester has a built-in light so it can also be used in the dark. Easy to read test results quickly. 5.7 LED Light Patterns - Features 7 easy-to-read indicator lights to indicate the status of the socket for easy judgment: Correct, Open Ground, Open Neutral, Hot/Neutral Reverse, Hot/Ground Reverse, Open Hot, Electric neutral reverse gear. 6. Wide application - widely used in electrical maintenance test, office socket test, power strip test and wall socket test in schools, laboratories, factories and other social fields. It saves you a lot of time testing socket problems. 7. Portable Design - Small size, light weight and easy to use. Notice: 1. "Correct" displayed by the socket tester only means that the electrodes are connected correctly, but it does not mean that the resistance value paes the specified standard. 2. Only through the "creepage switch test" can the grounding resistance value be finally obtained to test whether the protection system works normally. 3. To ensure your safety, do not deform the plug-in, which will affect the test results. Public testing is prohibited without permiion. 4. Before checking the power protection system, please turn off the appliance to ensure that no harm will be caused. Product parameters: Colour: Black Material: Flame Retardant ABS Plug Type: EU/US/(Optional) Voltage: 220V-250V (EU)/90V-120V (US)/220V-250V Test current: 30mA Working environment: -20+60 Earth resistance meets standard Package list: 1*Socket Tester 1*User Manual