What makes an electrician? The Electricity at Work Regulations 1989 (EAWR) – Regulation 16 states that… “No person shall be engaged in any work activity where technical knowledge or experience is necessary to prevent danger or where appropriate injury, unless he/she possesses such knowledge or experience, or
READ MOREHow an electric shock occurs… Current travels through conductors within a closed circuit. The conductors could be made of copper such as in a cable, other metals, water or in the worst case the conductor can become the human body. An electric shock occurs when a person becomes
READ MOREThe 17th Edition has still got legs… Although the 17th Edition of BS 7671 is due to be replaced by the 18th Edition in January 2019, the 17th Edition is relevant today and will still be as relevant long after that date. The main reason for this is…
READ MOREI have recently signed up for your 17th Edition course and just completed a first fairly quick run through the book with your slides. Will now start again being more thorough and start going through the workbooks. As I have gone through the regs I have “tested” my
READ MOREThe earth fault loop impedance (Zs) directly effects the amount of current that flows under earth fault conditions. (Ipf = V / Zs). As I’ve mentioned in a previous post (see here) fuses and circuit breakers need a certain amount of current in order to meet their maximum
READ MOREJust a quick one to clear up a few do’s and don’ts for your exam day… Do get a good nights sleep and arrive at your centre at least thirty minutes before your exam is due to start. You’ll need a calculator with a square root function (in case
READ MOREThe 17th Edition City & Guilds 2382-15 exam can be much easier to pass if you know these ‘secrets’… 1: The question number will tell you where to look in the book for the answer. Very useful. For example… Question 3 answer will be in Part 1 Question 15 answer
READ MOREThis may not be an issue in newer bathrooms that comply with current editions of BS7671 as supplementary bonding in bathrooms may be omitted when regulations 701.415.4.5 (iv), (v) and (vi) are met. However, supplementary bonding the radiator has always been a grey area especially in older bathrooms because the radiator may
READ MOREHi, I recently received an email from a student who’d just passed his 17th Edition City & Guilds 2382-15 exam saying… There was only one question that I had absolutely no idea on, it was regarding Circuit breaker Types. I can’t remember the question exactly, but but it
READ MOREThe17th Edition of the Wiring Regulations gives us methods of fault protection within Part 4 Chapter 41 BS 7671. But firstly what is Fault Protection? Part 2 of BS 7671 Says… “Protection against electric shock under single fault conditions” In plain language this means that fault protection provides us with
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