The Martindale Socket Tester Quiz

Quiz Questions

• 1.
  There are different categories of socket testers available in the UK, these are:

  • A.
    DIY, simple, professional
  • B.
    Everyday, mid-priced, expensive
  • C.
    Simple, advanced, professional
• 2.
  Which of the following statements is correct?

  • A.
    A simple socket tester can indicate that a socket outlet is functioning
  • B.
    A simple socket tester can give an indication that a socket is 100% safe to use
  • C.
    A simple socket tester checks the socket complies with BS7671 18th Edition regs
• 3.
  The important difference between simple and advance socket testers is:

  • A.
    Advanced socket tester test are much more accurate
  • B.
    The advanced socket tester indicates earth loop impedance
  • C.
    The advanced socket tester negates the need for 18th Edition testing on outlets
• 4.
  Why is earth loop impedance indication important on advanced socket testers?

  • A.
    This is an important check that helps verify the socket is adequately earthed.
  • B.
    This indicates that the socket has passed BS EN7671 18th edition tests
  • C.
    This ensures there is adequate insulation on the Earth wire
• 5.
  Which of the following cannot be detected by any socket tester without reference to Earth?

  • A.
    Reversed Line and Neutral
  • B.
    Reversed Neutral and Earth
  • C.
    Reversed Line and Earth
• 6.
  Some Martindale socket testers include various additional tests, tick all that apply: 

  • A.
    Live Neutral reverse polarity at the supply
  • B.
    Low supply voltage
  • C.
    RCD 30mA trip test
  • D.
    Earth loop impedance indication
  • E.
    Insulation resistance test
• 7.
  Some socket testers have an RCD test built-in, this is to…

  • A.
    Fully test the RCD to BN7671 18th Edition limits
  • B.
    A functional check that an RCD trips from the socket being tested
  • C.
    Check that the RCD operates within the specified trip time
• 8.
  Users of socket testers should have knowledge of the following:

  • A.
    Know the capabilities and limitations of the socket tester being used
  • B.
    Know what type of appliances are likely to be plugged into the outlet
  • C.
    Know the maximum current likely to be drawn at the outlet
• 9.
  Which company invented the first UK socket tester/checker in 1968?

  • A.
    General Electric Company
  • B.
    Martindale Electric Company Ltd
  • C.
    English Electric Ltd
• 10.
  Approximately how many Martindale Socket testers have been sold in the UK since 1968?

  • A.
    <100,000
  • B.
    100,000 to 500,000
  • C.
    500,000 to 1,000,000
  • D.
    1,000,000 to 2,000,000
  • E.
    >2,000,000

Quiz Outcomes

• 1.
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  Looks like you are just getting started! Click below to try again!
• 2.
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  You may not have gotten full marks but you still know more than most!
• 3.
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  Wowee! You really know your socket testers!