17th edition wiring regulations practice questions

BS requires that the designer of a new installation shall a. Non-sheathed cables for fixed wiring, other than protective conductors, should always be installed in a.

A final circuit is the wiring between the a. The prospective short circuit current at the origin of the consumer's installation must be taken into account when a.

A system is defined as a. The total number of socket-outlets that may be connected to an unfused spur is a. Residual current circuit breakers shall not be used on a TN system where a circuit incorporates a. PEN conductors. Which of the following is a method of providing fault protection? Placing out of reach b. Double insulation c. Protection by obstacles d. Insulation of live parts. The Regulations do NOT apply to the design, erection and verification of:.

A device other than current-using equipment, associated with such equipment or with the wiring of an installation is called. Extraneous-conductive part is a part liable to introduce a potential, generally Earth potential, and. 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. For low voltage equipment, systems and installation, basic protection generally corresponds to protection against.

What is the charging mode of the following statement? Connection of the electric vehicle to the a. The wiring regulations have been regularly updated ever since to reflect both new developments in wiring and updated modes of best practice. They remained the responsibility of the Society who later became known as the Institute of Electrical Engineers.

They now tend to be referred to by their acronym, the IET. Over the years, regulatory standards across nations and continents have become increasingly aligned. More recently, the European Committee for Electrotechnical Standardization has harmonised wiring regulations further. Because of this patterned history, the 18th Edition is often known by a variety of names.

As such, when you hear people in the industry talking about any of the following, they will be talking about the 18th edition:. The 18th edition of the wiring regulations required new electrical installations to conform to their specifications as of January 1 st , Those working in electrical installations are required to ensure they design and install everything in line with these latest regulations.

This is to protect people, livestock, and property and to ensure the electrical installations function properly. The exam covering the 18th edition wiring regulations is taken online at an approved test centre.

There are a total of 60 questions which you have 2 hours to answer. However, the pass rate is variable depending on average success rates nationally. As such, when people achieve more highly, the pass mark will go up. This would equate to getting at least 42 out of 60 in the test. The two hour test times gives you a full two minutes for every question, although you can spread this time out as you wish.

With appropriate preparation, study, and following the tips in this post, you will be well prepared to pass the 18th Edition exam. The 18th edition exam is an open book exam, so you can take your copy of BS into the exam with you. City and Guilds advise the following to exam centres. Fortunately, the 18th Edition exam is an open book exam. This means you can bring specified materials into the exam with you. This includes the BS book which you will need to study in order to pass the test.

In addition to the book itself, you are also permitted to by the IET to use things like numbered post-it notes or folded down pages. You can use these as bookmarks on your BS book to mark important chapters or key information you expect to need during the exam.

You are also allowed to highlight text in your book. Whilst the IET allows the book to be taken into the exam with above assistive learning tools, the IET wiring regulations books are not allowed to contain any of the following:. The test centres hold responsibility for checking any material you wish to take into the exam with you. If they feel that the material you have in your book will advantage you in any way, they may provide a clean copy of the IET Requirements for Electrical Installations i.

BS You may also find that some test centres insist on using their own copies of the regulations to ensure everyone is treated fairly. If you wish to use your own book with the permitted additions, it is advisable to contact your test centre to confirm they will permit this. You should also be aware that some centres do not offer clean copies for people who have made notes in their books. As such, you should also contact the test centre to find out whether they are able to offer this service if you feel your book will not be permitted for use in the examination.

As well as your book, you will need to take a scientific calculator with you to the exam. This should not be a programmable calculator. Any calculators from the Casio FX range eg. These will not be provided by the test centres so you will need to buy one of these prior to sitting the exam.