Introducing the NESCO S-1602 RCD Polarity & Socket Outlet Tester. This versatile tester checks most types of power outlet sockets for correct wiring and trip levels for RCD’s (Residual Current Devices). Quick and easy to use, wiring checks are indicated by a combination of lights on the front panel which provides a concise reading from the point being tested.
All RCDs must trip at 30mA or less.
Features