Mains Tester Plug Suitable for testing the wiring correctness of a standard 13A trailing socket. 3x UK 13A SOCKET TESTERS UK PLUG / 3 Pin. L & N Reverse. L & E Reverse. Leds on plug will show the following states.
The 3X UK Mains Socket Tester 240v Polarity Test 3 Pin Plug is a perfect addition to any electrician or DIY handyman's toolkit, used for checking the polarity and functioning of electrical sockets before using them in residential or commercial settings.
