Plug and differential tester 10 mA and 30 mA. Plug and socket wiring test instantly. Quick test of your eclipse sockets (ground, phase and neutral wiring). Quick Trip Test of your 30 mA CB. Mains Powered. Safety: 250 V Cat. II (IEC 61010) - CE. Dimensions (H x W x D): 85 x 56 x 31 mm.