Insert the tester into a standard three-hole power socket. Observe the indicator lights and compare results with the provided reference table to determine if socket wiring is correct. After testing, remove the tester. If incorrect wiring is detected, consult a professional electrician for line maintenance.
Leakage Switch (RCD) Testing
Insert the tester into a properly connected three-hole power socket and press the RCD key (for less than 3 seconds). A functioning leakage switch should trip immediately. If no tripping occurs, the leakage switch has likely failed and requires professional electrician repair.
