Testers • Euro style mains voltage tester with screwdriver blade and pocket clip. • Presence of voltage shown by neon indicator. • Fully insulated with... £3.82  • Euro style mains voltage tester with screwdriver blade and pocket clip. • Presence of voltage shown by neon indicator. • Fully insulated with... £4.41  Hand operated tester suitable for testing heating system integrity and locating leaks and blockages. Fast, simple and reliable operation. Water... £211.44  • Mains voltage tester with screwdriver blade and pocket clip. • Fully insulated with moulded transparent plastic handle and blade sheath. • Mains... £3.47  • Mains voltage tester with screwdriver blade. • Fully insulated with moulded transparent plastic handle and blade sheath. • Mains voltage tester... £4.41  • Tough, polycarbonate constructed 13Amp socket gate opener. • The safe way for the qualified electrician to open the shutter and check for... £1.12  • High definition green LEDs indicate error-free socket wiring status, plus 13 fault conditions including L-E reversal, L-N... £15.80  • High definition tri-colour LEDs and clear audible output indicate error free socket wiring status, plus 17 fault conditions including... £29.32  • Tester for use with 16Amp 110Volt sockets. • High definition colour LEDs and clear audible output to indicate clearly correct/incorrect conditions.... £44.00 |