Martindale CP301 110V Socket Tester
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Martindale CP301 110V 32A Industrial Socket Tester

Martindale CP301 110V 32A Industrial Socket Tester
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Martindale Part No: MARCP301/32

The Martindale CP301 is an industrial socket tester for instantly checking sockets on 110V centre tapped circuits. It is fitted with a yellow 110V 32A CT plug to BS 4343/IEC309 and provides similar fail-safe LED indication as the classic check plug.

Using LEDs to highlight possible fault combinations, the CP301 is invaluable for instantly checking sockets on industrial or site installations. There is a look up chart on the tester for fast and simple fault diagnosis.

CAT 11 150V

Operating Voltage
  • 110V AC (55-0-55V centre tapped supply)

Operating Current

  • 30mA


  • CAT II, 150V


  • 180g approx

Will socket testers spot all mains wiring faults?
No, they cannot tell if the earth and neutral wires are reversed and most conventional testers can only tell if the earth is disconnected.

Please click the links below to download the application notes in pdf format.

Socket testing safety

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