Socket Testers & Adaptors

  1. Martindale CP501 13A Electrical Socket Tester MARTST1
    Martindale logo
    In Stock
    Martindale CP501 13A Electrical Socket Tester MARTST1
    (2)
    £15.48 £12.90
    • Special design for quick installation and removal
    • Straightforward and quick to use
    • Lightweight and portable
    12 Reward Points
    Price Match Guarantee
    MARTST1
  2. Martindale BZ101 Buzz-IT 13A Electrical Socket Tester c/w Buzzer
    Martindale logo
    In Stock
    Martindale BZ101 Buzz-IT 13A Electrical Socket Tester c/w Buzzer
    (7)
    £16.08 £13.40
    • Fast and easy
    • Audible signal
    • Three LEDs
    13 Reward Points
    Price Match Guarantee
    MARTST2
  3. Socket & See SOK22 Craftsman Socket Tester
    Socket and See logo
    In Stock
    Socket & See SOK22 Craftsman Socket Tester
    (1)
    £16.74 £13.95
    • LED and audible indicators
    • Detects 13 wiring fault conditions
    • Suitable for use even on noisy circuits
    13 Reward Points
    Price Match Guarantee
    SOK 22
  4. Kewtech KEWCHECK 103 Socket Tester with Audible Tone
    Kewtech logo
    Only 1 In Stock
    Kewtech KEWCHECK 103 Socket Tester with Audible Tone
    (5)
    £16.79 £13.99
    • Ultraportable and compact, fits straight into plug sockets
    • Uses high definition LEDs and an audible tone to indicate 14 wiring conditions
    •  Drop proof from one metre
    13 Reward Points
    Price Match Guarantee
    KEWST1
  5. Extech CLT-ADP-UK Socket Adapter UK 3-Pin Type G Plug
    Extech logo
    3 In Stock
    Extech CLT-ADP-UK Socket Adapter UK 3-Pin Type G Plug
    (no reviews)
    £17.28 £14.40
    • UK adaptor
    • 3-Pin, Type G Plug
    • Easy testing near Type G plugs
    14 Reward Points
    Price Match Guarantee
    CLT-ADP-UK
  6. Martindale SB13 SafeBreak R2 Socket Test Adaptor See SS130
    Martindale logo
    3 In Stock
    Martindale SB13 SafeBreak R2 Socket Test Adaptor See SS130
    (2)
    £18.00 £15.00
    • Test all wall socket plugs and outlets
    • Take quick R1 and R2 measurements
    • Compatible with any meter that has a 4mm plug
    15 Reward Points
    Price Match Guarantee
    MARSB13
  7. Kewtech Kewcheck R2 Mains Tester Socket Adaptor 4mm
    Kewtech logo
    In Stock
    Kewtech Kewcheck R2 Mains Tester Socket Adaptor 4mm
    (2)
    £19.20 £16.00
    16 Reward Points
    Price Match Guarantee
    KEWST3
  8. Kewtech KEWCHECK R2FL Socket Testing Adaptor with Flying Lead
    Kewtech logo
    4 In Stock
    Kewtech KEWCHECK R2FL Socket Testing Adaptor with Flying Lead
    (no reviews)
    £19.68 £16.40
    • Comes without plug or connector so that you can connect your own
    • Simple wiring allows you to connect to any system you prefer
    • Allows for loop and R1/R2 measurements
    16 Reward Points
    Price Match Guarantee
    R2FL
  9. Socket & See SS130 R2 Mains Tester Socket Adaptor 4mm
    Socket and See logo
    Only 1 In Stock
    Socket & See SS130 R2 Mains Tester Socket Adaptor 4mm
    (no reviews)
    £21.54 £17.95
    17 Reward Points
    Price Match Guarantee
    SS130
  10. Socket & See SOK32 Professional Socket Tester
    Socket and See logo
    3 In Stock
    Socket & See SOK32 Professional Socket Tester
    (no reviews)
    £26.39 £21.99
    • Quick, clear, easy testing of mains wiring
    • Features patented ‘Fault Locate’ electronics
    • Optimised for detecting dangerous wiring conditions such as reversed earth connections and disconnected wires
    21 Reward Points
    Price Match Guarantee
    SOK 32
  11. Megger MST220 Audible Socket Tester
    Megger logo
    In Stock
    Megger MST220 Audible Socket Tester
    (no reviews)
    £26.39 £21.99
    • Simple and effective identification
    • Tri-coloured LEDs
    • Rugged and reliable
    • Easy to use
    21 Reward Points
    Price Match Guarantee
    2008-230
  12. Fluke ST240+ RCD Socket Tester with Beeper
    Fluke logo
    In Stock
    Fluke ST240+ RCD Socket Tester with Beeper
    (no reviews)
    £29.94 £24.95
    • Bright LEDs indicated correct installation and several common wiring errors
    • The beeper indicates voltage detection as well as hazardous voltage
    • RCD test button for checking the condition of RCD outlets
    24 Reward Points
    Price Match Guarantee
    ST240
  13. Martindale EZ165 Advanced Socket & Non-trip Earth Loop Tester
    Martindale logo
    4 In Stock
    Martindale EZ165 Advanced Socket & Non-trip Earth Loop Tester
    (no reviews)
    £48.00 £40.00
    • Capable of detecting twenty-eight fault conditions
    • An advanced socket tester as defined by the Health & Safety Executive
    • Verifies earth wiring using a non-trip earth loop test
    40 Reward Points
    Price Match Guarantee
    MARTST4
  14. Fluke Zero Adaptor for Fluke 1651, 1652, 1653, 1654, Multifunction Testers
    Fluke logo
    In Stock
    Fluke Zero Adaptor for Fluke 1651, 1652, 1653, 1654, Multifunction Testers
    (no reviews)
    £50.04 £41.70
    • Compensation for test leads and mains cords
    • Works with the Fluke 165xb
    41 Reward Points
    Price Match Guarantee
    FLUADAPT0
  15. Martindale CP201 250V Industrial Check Plug
    Martindale logo
    4 In Stock
    Martindale CP201 250V Industrial Check Plug
    (no reviews)
    £50.40 £42.00
    • Simple to use; just plug it into any socket
    • Fitted with a standard blue pin plug
    • LED lights show you if there is a problem
    42 Reward Points
    Price Match Guarantee
    MARCP201
  16. Kewtech LOOPCHECK 107 Mains Socket, Loop, RCD and Polarity Tester
    Kewtech logo
    In Stock
    Kewtech LOOPCHECK 107 Mains Socket, Loop, RCD and Polarity Tester
    (6)
    £51.00 £42.50
    • Ensures maximum safety by checking quality of earth loop return path
    • Offers more functions than regular socket testers
    • Automatically runs wiring checks upon insertion into mains
    42 Reward Points
    Price Match Guarantee
    LOOPCHECK107
  17. Martindale CP301 110V Industrial Socket Tester
    Martindale logo
    2 In Stock
    Martindale CP301 110V Industrial Socket Tester
    (1)
    £52.80 £44.00
    • 110V industrial plug connector
    • Shows wiring status using LEDs
    • Essential for industrial applications
    44 Reward Points
    Price Match Guarantee
    MARCP301
  18. Socket & See SOK34 Easy Socket and Earth Loop Tester
    Socket and See logo
    3 In Stock
    Socket & See SOK34 Easy Socket and Earth Loop Tester
    (no reviews)
    £54.00 £45.00
    • Tests socket wiring configuration and performs full earth loop tests
    • LED and audible tone indication system
    • Detects 13 different wiring faults
    45 Reward Points
    Price Match Guarantee
    SOK 34
  19. Kewtech R2 Lightmate Kit - 1 x BC ES GU10 SES SBC
    Kewtech logo
    In Stock
    Kewtech R2 Lightmate Kit - 1 x BC ES GU10 SES SBC
    (2)
    £66.00 £55.00
    55 Reward Points
    Price Match Guarantee
    KEWLMKIT
  20. Socket & See SOK60/16HD 400V Industrial Socket Tester
    Socket and See logo
    Only 1 In Stock
    Socket & See SOK60/16HD 400V Industrial Socket Tester
    (no reviews)
    £76.02 £63.35
    • Check the phase sequencing of sockets
    • Optimised for heavy-duty environments such as industrial sites
    • Quick response time with clear visual and audible indications
    63 Reward Points
    Price Match Guarantee
    SOK60/16HD
  21. Martindale 3 Phase Industrial Socket Tester - 5 Pin, 16A
    Martindale logo
    2 In Stock
    Martindale 3 Phase Industrial Socket Tester - 5 Pin, 16A
    (1)
    £95.94 £79.95
    • Five-pin connector plug
    • LED indicators
    • Detect phase status, neutral and more
    79 Reward Points
    Price Match Guarantee
    MARPC105/16
  22. Martindale 3 Phase Industrial Socket Tester - 4 Pin, 32A
    Martindale logo
    Only 1 In Stock
    Martindale 3 Phase Industrial Socket Tester - 4 Pin, 32A
    (no reviews)
    £95.94 £79.95
    • Suitable for use with 32A/3P + N + E sockets
    • Four-pin plug
    • LED indication of socket status with reference guide
    79 Reward Points
    Price Match Guarantee
    MARPC104/32
  23. Martindale 3 Phase Industrial Socket Tester - 32A, 5 PIn
    Martindale logo
    3 In Stock
    Martindale 3 Phase Industrial Socket Tester - 32A, 5 PIn
    (2)
    £99.00 £82.50
    • Five-pin plug
    • Built for use with industrial 3 phase equipment
    • LED indications of phase status
    82 Reward Points
    Price Match Guarantee
    MARPC105/32
  24. Martindale EZ650 Socket Tester Kit with Earth Loop Test
    Martindale logo
    2 In Stock
    Martindale EZ650 Socket Tester Kit with Earth Loop Test
    (1)
    £138.00 £115.00
    • Measures earth loop impedance of up to 500 ohms
    • Uses a simple system of lights to indicate problems with the socket
    • Tester and accessories housed in a durable carry case
    115 Reward Points
    Price Match Guarantee
    MARTEZ650

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About Socket Testers & Adaptors

Socket testers are an essential part of any electrician's toolkit, and allow users to quickly and easily evaluate the internal wiring of a socket without the need to remove the socket faceplate and potentially cause damage to the installation.

Generally extremely cost effective and cheap, socket testers are also incredibly simple to use, and require the user to simply insert the tester into a socket and the tester will do the rest. Depending upon the type of socket tester used the way information is communicated will be different; some socket testers use LED indicators to show wiring status, while others use the audible indication to show correct wiring/problems with the installation. Some also use a combination of audible and visual indicators, allowing users to quickly tell if there's a problem with a socket or not.

The visual indicators of socket testers are perhaps the handiest part of the tester. These often come with exact representations of what's wrong with the wiring, so if live earth was reversed, for example, the tester would illuminate with a combination that denotes this problem. Most socket testers also include a handy reference guide on the front so users can determine what exactly the different LED indicators mean.

This section also contains socket adaptors; these differ from socket testers as they are designed generally to be inserted into a socket and the user then uses another tester such as a multimeter and a set of test leads to carry out socket testing. They can also include socket testers attached to specific plugs, such as those plugs used in industrial applications.

Most socket testers and adaptors available in-store come with standard UK three-pin plug connectors (except if they are designed for specific sockets such as the aforementioned industrial sockets).

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