17th Edition Online Practice - Free (2014.1)

20 Questions | Total Attempts: 1924

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17th Edition Online Practice - Free (2014.1)

A selection of questions taken from the best-selling Electacourse 17th Edition Exam Simulator. Purchased either on its own or as part of the popular Electacourse 17th Edition BS7671 Course, the 17th Edition Exam Simulator has been used by hundreds of UK electricians to pass the City & Guilds 2382-12 Wiring Regulations exam.


Questions and Answers
  • 1. 
    BS7671 Wiring Regulations do NOT apply to the design, erection and verification of:
    • A. 

      Commercial premises

    • B. 

      Caravans, caravan parks and similar sites

    • C. 

      External lighting and similar installations

    • D. 

      Electric fences covered by BS EN 60335-2-76.

  • 2. 
    BS7671 Wiring Regulations do NOT apply to the design, erection and verification of:
    • A. 

      Agricultural and horticultural premises

    • B. 

      Highway equipment and street furniture

    • C. 

      Equipment of mobile and fixed offshore installations

    • D. 

      Public premises

  • 3. 
    BS7671 Wiring Regulations include requirements for circuits supplied at nominal voltages
    • A. 

      Up to and including 800 V a.c. or 1000 V d.c.

    • B. 

      Up to and including 1000 V a.c. or 1500 V d.c.

    • C. 

      Up to and including 1200 V a.c. or 2000 V d.c.

    • D. 

      Up to and including 100 V a.c. or 150 V d.c.

  • 4. 
    BS7671 Wiring Regulations may need to be supplemented by the requirements or recommendations of other standards in cases where they are applied to:
    • A. 

      Emergency lighting

    • B. 

      Marinas

    • C. 

      Operating and maintenance gangways.

    • D. 

      Photovoltaic systems

  • 5. 
    Which of the following is NOT considered as a harmful effect of heat or thermal radiation emitted by electrical equipment?
    • A. 

      Combustion, ignition, or degradation of materials

    • B. 

      Impairment of the safe function of installed equipment

    • C. 

      Risk of bums

    • D. 

      Radioactivity

  • 6. 
    The fundamental principles of BS7671 state that persons and livestock shall be protected against injury as a consequence of overvoltages originating from
    • A. 

      Motors running

    • B. 

      The operation of circuit breakers

    • C. 

      Atmospheric events

    • D. 

      Voltage recovery

  • 7. 
    A single pole switch shall be connected in the
    • A. 

      Earthing conductor only

    • B. 

      Neutral conductor only

    • C. 

      Line conductor only

    • D. 

      Across the neutral and line conductor

  • 8. 
    The Regulations do NOT apply to the design, erection and verification of:
    • A. 

      Electrical vehicle charging points

    • B. 

      Photovoltaic systems

    • C. 

      Systems for the distribution of electricity to the public

    • D. 

      Residential premises

  • 9. 
    A device other than current-using equipment, associated with such equipment or with the wiring of an installation is called
    • A. 

      Not current-using equipment

    • B. 

      Accessory

    • C. 

      Supplementary

    • D. 

      Additional equipment

  • 10. 
    Extraneous-conductive part is a part liable to introduce a potential, generally Earth potential, and
    • A. 

      Being an earthing part of the electrical installation

    • B. 

      Forming part of the electrical installation

    • C. 

      Is intended to be an earthing part of the electrical installation

    • D. 

      Not forming part of the electrical installation

  • 11. 
    A standard which has been drawn up by common agreement between national standards bodies notified to the European Commission by all member states and published under national procedures is known as
    • A. 

      International Standard

    • B. 

      Conventional Standard

    • C. 

      Harmonized Standard

    • D. 

      Common Standard

  • 12. 
    Heating cable is intended to
    • A. 

      Give off heat for heating purposes

    • B. 

      Be used in heating devices

    • C. 

      Conduct heat for heating purposes

    • D. 

      Supply heat for heating purposes

  • 13. 
    BS7671 IET Wiring Regulations define extra low voltage ripple-free d.c. as not exceeding
    • A. 

      50 volts d.c.

    • B. 

      120 volts d.c.

    • C. 

      150 volts d.c.

    • D. 

      200 volts d.c.

  • 14. 
    For low voltage equipment, systems and installation, basic protection generally corresponds to protection against
    • A. 

      Mechanical damage

    • B. 

      Circuit overload

    • C. 

      Direct contact

    • D. 

      Risk of burns

  • 15. 
    A neutral can be defined as a
    • A. 

      Bus conductor

    • B. 

      Protective conductor

    • C. 

      Live conductor

    • D. 

      Line conductor

  • 16. 
    A final circuit is defined as the wiring between the
    • A. 

      Distribution board and current-using equipment

    • B. 

      Consumer's main earth terminal and circuit protective device

    • C. 

      Intake and the energy meter

    • D. 

      Main switch and the distribution board

  • 17. 
    What is the charging mode of the following statement? Connection of the electric vehicle to the a.c. supply network utilizing an off-board charger where the control pilot function extends to equipment permanently connected to the a.c. supply.
    • A. 

      Mode 1

    • B. 

      Mode 2

    • C. 

      Mode 3

    • D. 

      Mode 4

  • 18. 
    Which of the following should be taken into account in the choice of methods of protection for safety and the selection and erection of equipment?
    • A. 

      It's maximum power

    • B. 

      Its maintainability

    • C. 

      It's suitability for public service

    • D. 

      The country of origin

  • 19. 
    Which of the following does not need to be taken into account in the choice of methods of protection for safety and the selection and erection of equipment?
    • A. 

      Recognized safety services

    • B. 

      Assessment for continuity of service

    • C. 

      The nature of the current and frequency

    • D. 

      The compatibility of its equipment

  • 20. 
    Which of the following does not need to be taken into account in the choice of methods of protection for safety and the selection and erection of equipment?
    • A. 

      The external influences to which it is to be exposed

    • B. 

      Its maintainability

    • C. 

      Recognized safety services

    • D. 

      It's suitability for public service

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