Compare Martindale Electric Socket Tester, Non-trip Earth Loop Price

Advanced sockets and loop testers that are ideal for non-trip earth loop impedance tests. Features and Benefits: Quick and simple to use, allowing easy mains socket polarity and earth testing to be conducted Red/green LEDs are easy to read and show 28 fault conditions Durable due to tough sculpted design, which also allows for easy removal Typical Applications: Electrical installations