IDEAL INDUSTRIES INC. 61-051 E-Z Check Plus GFCI Circuit Tester for use on 120 VAC circuits. Simulates ground fault for testing GFCIs. Features Check Plus label for easy-to-read results. Made with premium neon lamps prevent false readings. Tests for correct wiring, open ground, reverse polarity, open hot, open neutral, hot on neutral, hot and ground reversed with open hot in 3 wire, 120 VAC circuits.

