Understanding the New Wiring Rules


1-day course

CPD Credit: 7 hours, C1 / C2

Course Overview

The aim of this course is to give a good insight into the structure of the new 5th Edition of the National Rules for Electrical Installations - I.S. 10101.

Learning Objectives

On completion of this course, delegates will have a good understanding of the structure of the new standard, the contents of each of the seven chapters and the new Annex 8.

The course is presented using simplified diagrams and tables to explain the requirements of the standard with particular emphasis on Chapters 4, 5 and 6.

Delegates will have a good understanding of Chapter 4 - Protection for Safety and Chapter 5 - Selection and Erection of Electrical Equipment.

Delegates will also have a good understanding of Chapter 6 - Verification and Certification, however, it is not intended as a hands-on training course for electricians involved in testing.

Delegates will have an awareness of the twenty Special Installations or Locations Covered in Chapter 7 (However, this course does not go into an of these installations or locations in any detail as they are covered by a separate one-day course: WR3 - New Wiring Rules - Chapter 7 Explored)

The course also covers the main changes that have occurred since the 4th Edition including the new Annex 8 (Energy Efficiency).

Who Should Attend?

This full day course is aimed at engineers and contractors involved in the design of electrical installations.

Other CPD Courses in this series

WR2 - New Wiring Rules - Deep Dive - Chapter 5 - 1 Day Course

WR3 - New Wiring Rules - Chapter 7 - Explored - 1 Day Course

“The National Wiring Rules in Ireland – An Illustrated Guide to IS 10101” authored by Brendan Dervan, is intended as a guidance document for the three one day courses. The guidebook uses simplified diagrams and tables to explain the requirements of the new standard. It will only be available in A4 hardcopy format. It is recommended that you purchase the guidebook in advance of doing the courses.

Trainer’s Profile

Brendan Dervan is a Chartered Engineer with over 40 years’ experience in all aspects of mechanical and electrical building services including design, installation, commissioning and maintenance. After completing an electrical apprenticeship in 1982 he went on to study electrical engineering in DIT.

He has worked in M&E consultancy at senior engineer / director level since 1990. In 1999 he started his own M&E consultancy, Dervan Engineering Consultants (DEC), which merged with Cundall in 2016. His Company provided M&E consultancy and project management services to a diverse range of clients in both the public and private sectors. In 2013, Brendan completed an MSc in Energy Management with TU Dublin. His thesis researched the improvement of energy efficiency in existing data centres.


  • “Excellent and a very comprehensive analysis of the current Regulations IS10101 with detailed examples of applications”
  • “Very well explained and ran by Brendan”
  • “Great course. Excellent Instructor”
  • “Very informative and helpful”
  • “Excellent and a very comprehensive analysis of the current Regulations IS  10101 with detailed examples of applications”
  • “Very happy with the training, great quality and presented very well by Brendan”
  • “Very good course, well worth attending”
  • “Excellent course and delivery”
  • “Brendan's experience was a real asset”
  • “Good and informative, instructor knows his stuff”
  • “Very well put together and instructor also brought his wealth of experience in relevant sections”
  • “Would highly recommend to practicing electrical engineers and even those studying electrical services for a career”
  • “Very well delivered. Very approachable instructor. Well structured. Very good course overall!”
  • “An intense day, great course, will be signing down for more of the same in the future. Would recommend as a refresher periodically.”

Please contact the Team for further information on scheduled course dates and In-Company options. You can reach us by phone: 01 665 1305 or email cpdtraining@engineersireland.ie