0113 248 9966
0113 248 9966
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Martindale CP501 Check Plug

Martindale Official Distributor
  • Designed for testing standard 230V 13A UK wall sockets
  • Instant results once tester is plugged into socket under test>/li>
  • Pattern of triple-LED display indicates correct wiring or fault presence and nature
In stock


The Martindale CP501 Check Plug is a simple socket tester designed for checking standard UK 230V 13A wall sockets. It has three bright lights that illuminate to show the presence and nature of a wiring fault. The tester works as soon as it is plugged in and there is a handy reference chart on the casing which the user can consult during tests.


  • Operating Voltage Range: 200-250V
  • Frequency Range: 30-70Hz
  • Power Consumption: Check Plug <1.2W
  • Power Supply: From Mains