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Martindale
CP501 Check Plug Socket Tester


The Martindale CP501 Classic Check Plug 240V Socket Tester is the most popular socket tester available. It is a quick & easy way to ensure that 13A sockets are correctly wired, indicated by 3 high brightness, long life LEDs.

Part Number:
MARCP501

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List Price

£18.50
22.20 incl. VAT)
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Martindale CP501 Classic Check Plug 240V Socket Tester

With over 2 million of these socket testers sold, the Martindale CP501 is the most popular socket tester available.  The classic check plug is a quick and easy way to ensure that 13A sockets are correctly wired, indicated by 3 bright long life LEDs.

Wiring faults are indicated by one or more of the LEDs failing to illuminate, with the pattern of lit LEDs indicating the type of fault detected. This fail-safe system means that any LED not lit indicates a fault.

The robust ABS housing has a sculpted shape for easy removal and there is a look up chart on the tester for quick fault diagnosis.

The plug induces less than 5mA of earth leakage, well below RCD trip thresholds.

Detects 28 fault conditions.

 

Martindale CP501 Key Features:

  • Quick and easy testing of socket wiring with the UK’s favourite check plug
  • Detects 28 fault conditions
  • Three bright LEDs with clear and simple fault codes on the plug
  • Tough sculpted design for easy removal
  • Also available in packs of 10

 

Comparison Chart for: Martindale CP501 Check Plug Socket Tester

CP501BZ101
Operating voltage230V230V
Operating frequency30-70Hz30-70Hz
Power consumption<2W<3W
Powerfrom mainsfrom mains
Open Earth if Earth resistance>50kΩ nom at 230VAC nom>50kΩ nom at 230VAC nom
Open Neutral if Neutral resistance>50kΩ nom at 230VAC nom>50kΩ nom at 230VAC nom
Earth Leakage<5mA on a correctly wired socket<5mA on a correctly wired socket
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