TESTBOY 10 Non-contact voltage tester The non-contact voltage tester Testboy 10 detects live conductors on cable connections, cable drums, sockets, switches, junction boxes etc. Due to capacitive measurement procedures, no current flow is required and interruptions can be indicated quickly and accurately. How you benefit: | Capacitive measurement procedure | CAT III 1000 V Specifications Technical Data Measurement Range Overload Category Incl. batteries Integrated LED-torch Lamp Power Supply ABS synthetic material, resistant to breaking by impact