Megger TPT420 2 Pole Tester, MPU690 Proving Unit, MST220 & Voltstick KIT8D
It also features phase rotation detection, a bright LED torch, and an acoustic sounder for enhanced safety. Fits TPT420 / TPT320 / TPT210 / TPT220. Quickly identify wiring faults in UK BS1363 13A 3-pin sockets with the MST220.