![Fluke ST240+ RCD Socket Tester with Beeper [ARBS24]](http://shop-anz.fluke.com/cdn/shop/files/F-st240plus-anz-02a_w_{width}x.jpg?v=1716432918)
- Simple operation – Plug into socket; with the bright, easy-to-see LEDs, verify correct wiring or identify common wiring problems in both standard and RCD outlets
- Know more, faster –with the handy chart, quickly identify one of six wiring conditions for the outlet
- RCD outlets–with an integrated RCD test, you can feel secure knowing that your RCD-equipped outlets are functioning properly