Socket Testers & Adaptors (5 items)

Safe and simple to use, the 'BUZZ-IT' from Martindale is a real improvement for awkward sockets. It has an audible signal to tell you instantly whether or not the wiring is correct, and can also be...

Classic socket tester plug from Martindale with neon indicators in ABS housing. The plug induces less than 5mA of earth leakage, well below RCD trip thresholds. As with all socket testers the plug ...

The Matindale EZ165 not only detects 28 fault conditions and checks the mains voltage level, it also shows how safe the earth wiring is by carrying out a non-trip earth loop test and indicates its ...

The Martindale CP301 is designed for use on 110V centre tapped circuits, it is fitted with a yellow 110V 16A CT plug to BS 4343/IEC309. The CP301 shows similar fail-safe indications to the classic ...

This 3-phase socket tester from Martindale is ideal for checking supply faults and incorrect wiring of CEE 5-pin, 63A socket outlets. It will check for phase presence, phase sequence and PE presence.