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Additional information

Part Number



A compact tester allowing instant fault diagnosis on UK mains sockets. Ideal for safely testing new installations.

  • Detects 13 common wiring fault conditions as well as correctly wired sockets
  • Logical ‘Green for go’ LED indication
  • Won’t trip RCD thanks to improved circuitry
  • Indicates Mains line/neutral swap at supply


Wiring Status Indicated: Correct
L- E reverse
L- N – E miswire

L- N reverse
L- N – E miswire Faulty N/L-E miswire Faulty N/E miswire Faulty N
Faulty N/L – E reverse Faulty E/L – N reverse Faulty E
Faulty E/N miswire Faulty E/L – N miswire No mains


Suitable for testing 220-240V~50/60Hz mains sockets only. Will not detect Neutral/Earth reversal.


Technical Specifications

Input Current

220-240V~50/60Hz, <15mA

Appliance type

Class II