the Regs Guy

A professional qualified electrician with nearly forty years of under paid, hard work within the electrical installation industry. I've also been a successful electrical installation tutor since 2008. Delivering both City & Guilds / EAL level 3 courses including "18th Edition Wiring Regulations, Inspection & Testing (initial verification and periodic inspection, testing and reporting), Building Regulations, PAT and Part P etc." both in the private sector and local FE colleges. I've also been running my own training center since 2015. See www.waybrite.co.uk

Zs Values and Cmin

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In a TN earthing system the cornerstone of protection against electric shock is that the protective device ‘circuit breaker’ shall not exceed it’s maximum disconnection time. For a 230 v to earth TN system (covers both single phase and 3-phase) that is 0.4 seconds (final circuits less than or equal to 32A) see T41.1  and 5 seconds (distribution circuits and >32A) see … Read more

Safe Isolation Save Lives

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The following safe isolation procedure could save your life. If you have no experience and/or knowledge then you can’t avoid the dangers that are present and you should not be working on any electrical circuits or equipment. If in doubt always consult a competent (electrically skilled) person. Select an approved tester (see GS38). Inspect to … Read more

Six Likely Exam Questions….

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Here are 6 random questions likely to show up in your City & Guilds 2382-15 exam. I’ll won’t give you the answers but I’ll tell you where to look… BS7671 does not include requirements for Have a look at Part 1 Chapter 11 Scope this is where you’ll find what the 17th Edition applies to … Read more

Inspection & Testing – Initial Verification

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“Every installation shall, during erection and on completion before being put into service, be inspected and tested to verify, so far as reasonably practicable, that the requirements of the Regulations have been met.” 610.1 “On completion of the verification, according to Regulations 610.1 to 610.5, a certificate shall be prepared.” 610.6 In plain language, every … Read more

BS7671 and Earthing A to Z

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Earths / Protective Conductors are the most important conductor on any installation and that’s why it’s also one of the most important Chapters in the 17th Edition. Chapter 54 Earthing Arrangements and Protective Conductors. From the various supply arrangements; TN-S, TN-C-S and TT which describe how an installation is earthed through to what can be … Read more

Sockets, ring or radial?

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As far as sockets are concerned what’s the best method to use? Although permitted by regulation 433.1.204 BS7671 the usual 2.5mm ring has become somewhat of a tradition, but maybe it has outlasted it’s use. Being involved in domestic periodic Inspection and Testing over the years I have noticed an alarmingly large number of so … Read more

Sundays – Good time to study.

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One of my favourite study days is definitely Sunday. When going through your 17th Edition online course try to put a couple of good undisturbed hours together on a Sunday. This should help massively with your studies and if you are in no rush a couple of no-stress months made up of Sunday studies should … Read more

Inspection and Testing – Under Training!

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As far as the 17th Edition Exam is concerned, Inspection and Testing is not covered massively within the C&G 2382-15 course or exam and with only 4 questions in total, it doesn’t merit too much attention at the moment. However, Inspection and Testing is in my opinion the most important skill you can have as … Read more