The Wiring Rules in Ireland – An Illustrated Guide to I.S. 10101 – 2nd Edition

“The Wiring Rules in Ireland – An Illustrated Guide to I.S. 10101 – 2nd Edition” is now available for purchase online. Information regarding the changes from the 1st to the 2nd Edition of the Guidebook is provided below.

The cost of the book  including delivery within Ireland is €75. There is no VAT chargeable.

If you are interested in purchasing more than FIVE copies of the book and / or booking CPD courses on the Wiring Rules please contact [email protected]

Your order will be despatched via An Post parcel delivery service in the coming days. Please note it can take up to two weeks to process and deliver your order.

About this Guidebook

• Essential guidebook for electrical engineers and contractors
• Covers Amendment A1 to the Standard as published in September 2024
• Follows the Standard on a chapter by chapter basis
• Covers all 21 Specialist locations in Chapter 7 including new Part 718
• Covers New Chapter 8 Energy Efficiency
• Focuses on design aspects of electrical installations
• Simplifies the narrative in the Standard and demystifies the rules
• Contains 60 individual units covering the nine chapters in the Standard
• Uses simplified diagrams and tables to explain the requirements
• Includes 170 illustrations, over 100 tables and over 90 images
• Includes various worked examples

Changes from the 1st Edition to the 2nd Edition of the Guidebook
This second edition of “The Wiring Rules in Ireland – An Illustrated Guide to I.S.10101” has coincided with the publication of amendment A1 2024 to I.S.10101:2020. The amended standard is now referred to as I.S.10101:2020+A1:2024. The following summarizes the amendments to this 2nd Edition of the Guidebook:

• Guidance on the major amendments in I.S.10101:2020+A1:2024 as listed above i.e.
• Part 718 – “Communal Facilities and Workplaces”. This new Unit 51 in the guidebook
• Part 722 – “Supply of Electric Vehicle” – Unit 53 – completely updated
• Chapter 8 – “Energy Efficiency” Units 59 – Completely updated and Unit 60 added
• Correction of minor typographical errors
• Information on NSAI, Safe Electric, CRU etc.
• Information on relationship between HD 60364, I.S.10101 and BS 7671
• References to significant variations between I.S.10101 and BS7671
• Additional information on earthing at MV and LV
• Additional information on DSO National Code of Practice for Customer Interface
• Additional information in Unit 48 regarding Part 714 external lighting installations
• Additional information on AFDDs
• Information on Neutral conductors and neutral voltage displacement (NVD)
• Expansion of Unit 25 which deals with Section 551 – Low Voltage Generating Sets
• Additional information on domestic and small commercial electrical installations
• Additional information on general wiring practices

The table below gives a comparison between the content in Editions 1 & 2. 

I hope you enjoy this 2nd Edition of the guidebook and find it beneficial.
Brendan Dervan
January 2025