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Socket Polarity Tester

Socket Polarity Tester and Earth Leakage / RCD (ELCB) Tester


This is a professional socket tester with modern, ergonomic and durable design, to test safety of installed mains socket. It conducts the following functions:

  • Checks socket polarity
  • Indicates high earth voltage presence
  • Works as a RCD (ELCB) Tester

It checks 30mA RCD (ELCB). A unique soft-touch button tests that an RCD (ELCB) in the circuit trips within 300mS when a nominal 20mA earth fault current is applied; another button, the earth volts touchpad, detects raised earth voltages above 50V AC, thus indicating potentially dangerous installations.

Three different bicolor LEDs and a buzzer provides a quick to check combination of signals which indicate correct working, missing earth, live / neutral reversal, missing neutral, live faults.

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