Power Point Tester. Low cost for a big result. Very simple and easy to use. Rugged and compact design. Identifies six wiring conditions. Integral plug fits straight into the socket. Push button RCD trip test. Test : Polarity, Earth connection, Incorrect wiring & RCD trip. Test Conditions : Correct, Active/Neutral Reverse Active/Earth Reverse, No Neutral Live Earth, No Earth No Active. Quiescent current : 1.75mA