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Wiring Matters

Wiring Matters 53 - Winter 2014

Amendment 3 Toolkit

Amendment No. 3 is almost upon us, so here is an overview of what you can expect from the updated version of the Wiring Regulations and its associated publications.

BS 7671:2008+A3:2015 Requirements for Electrical Installations

BS 7671 Wiring Regulatoins

Amendment No. 3 to BS 7671 Wiring Regulations will be published on 5 January 2015, and will come into effect on 1 July 2015. The new reference for the book will be ‘BS 7671:2008+A3:2015’.  

All new installations must comply with BS 7671:2008+A3:2015 from 1 July 2015.

In this update, a number of potentially life-saving changes have been proposed, which include, but are not limited to, changes to:

  • consumer unit enclosures (to come into effect January 2016);
  • wiring in escape routes;
  • changes to earth fault loop impedances for all protective devices;
  • the risk assessment approach for the omission of RCDs in non-domestic situations;
  • updated EIC and EICR forms; and
  • changes to definitions throughout the Wiring Regulations.

 Who is this book for?

All users of the IET Wiring Regulations (i.e. those concerned with the design, installation and maintenance of electrical wiring in buildings) need to be aware of the coming changes in Amendment No. 3, including electricians, electrical contractors, consultants, local authorities, surveyors and architects.

As well as being essential for professional engineers, this book is a must-have for students at university and further education colleges.

Please note: Wiring Matters will be issuing a Special Edition in January 2015 covering the changes made by Amendment 3.

We have previously published guidance on the proposed changes. Please see our video about fire protection and our article about the proposed changes, published Spring 2014.

Guidance on the Wiring Regulations

All expert IET guidance is being fully updated to be aligned with Amendment No. 3. We have a host of excellent contributors to our guidance series, ensuring that you get the best brains explaining what you need to know and what is required of you. We detail our contributors here.

The material goes through a rigorous process: one author is assigned to the title, and those updates are then assessed by a second technical author. In the case of Guidance Note 7, a special committee was formed to provide guidance.

On-Site Guide (BS 7671:2008 Wiring Regulations, incorporating Amendment No. 3)

 

On-Site Guide BS 7671:2008+A3:2015

The On-Site Guide is one of our best-selling books. It is the essential, quick-reference guide to BS 7671 and will be updated to incorporate the changes expected in Amendment No. 3 to BS 7671:2008, which include, but are not limited to, changes to:

  • consumer units (to come into effect January 2016);
  • wiring in escape routes;
  • circuit-breakers used as functional switches; and
  • changes to definitions throughout the Wiring Regulations.

Who is this book for?

This book is the side companion to the Wiring Regulations. It is an excellent source of guidance and its format makes it perfect for quick referencing. It is an invaluable resource for students studying wiring-related courses.

 

The Guidance Note series

These books are designed to provide more detailed guidance about specific areas of the Wiring Regulations. 

Guidance Note 1: Selection & Erection, 7th Edition

Guidance Note 1: Selection & Erection provides clear guidance on how to apply the relevant sections of BS 7671. The expected updates in Amendment No. 3 will impact on day-to-day tasks, so it is important to have up-to-date guidance on these changes.

Amendment No. 3 changes include:

  • consumer units (to come into effect January 2016);
  • wiring in escape routes;
  • changes to earth fault loop impedances for all protective devices; and
  • changes to definitions throughout the Wiring Regulations.

Please note, sections previously in Guidance Note 1 on Outdoor Lighting and ELV Lighting can now be found in Guidance Note 7 (5th Edition).

Who is this book for?

This book covers fundamental aspects of the Wiring Regulations, so specifiers, installers, testers, consulting engineers, electricians, inspectors and technicians will all find this a valuable resource.

Guidance Note 1: Selection & Erection book cover

 

Guidance Note 2: Isolation & Switching, 7th Edition

 

Guidance Note 2: Isolation & Switching book cover

Guidance Note 2: Isolation & Switching is another essential guide and reference manual on these complex topics of the Wiring Regulations.  

Amendment No. 3 changes include:

  • isolation of outdoor lighting;
  • circuit-breakers used as switches; and
  • changes to definitions throughout the Wiring Regulations.

Who is this book for?

Like Guidance Note 1, this guide covers fundamental aspects of the Wiring Regulations, so specifiers, installers, inspectors and testers, consulting engineers, electricians, technicians and surveyors will all find this a valuable resource.

Guidance Note 3: Inspection & Testing, 7th Edition 

Amendment No. 3 makes changes to both EIC and EICR forms, so securing a copy of Guidance Note 3: Inspection & Testing should be a priority for all those carrying out inspection and testing on electrical installations.  

Amendment No. 3 changes include:

  • changes to earth fault loop impedances for all protective devices ;and
  • earth electrode testing.

Who is this book for?

This book is needed by specifiers and those planning or carrying out the inspection and testing on electrical installations in accordance with the Wiring Regulations.

Guidance Note 3: Inspection & Testing book cover

Guidance Note 4: Protection Against Fire, 7th Edition

Guidance Note 4: Protection Against Fire book cover

Fire protection is something of a theme in Amendment No. 3, so Guidance Note 4: Protection Against Fire will be essential for anyone working in related areas.  The changes made are expected to vastly improve the safety of contractors, consumers and the fire services.  You can ensure the safety of yourself and others by following the new guidance.

Amendment No. 3 changes include:

  • wiring in escape routes;
  • consumer units (to come into effect January 2016); and
  • heating equipment.

Who is this book for?

This book is essential for everyone involved with fire safety in electrical installations, including consulting engineers, electricians, electrical installers, inspectors and technicians

Guidance Note 5: Protection Against Electric Shock, 7th Edition

Guidance Note 5: Protection Against Electric Shock book cover

Guidance Note 5: Protection Against Electric Shock is a valuable for specifiers, designers, contractors and inspectors in ensuring safety across all installations.   

Amendment No. 3 introduces changes to earth fault loop impedances for all protective devices.

Who is this book for?

This book is for all those specifying, designing, installing or verifying electrical installations.

Guidance Note 6: Protection Against Overcurrent, 7th Edition

Guidance Note 6: Protection Against Overcurrent is a guide and reference manual on this important safety aspect of BS 7671.  Make sure your work complies by ensuring you are up to date with the changes expected to the Wiring Regulations around heating equipment and fuses.

Who is this book for?

This book is relevant to all those involved with specifying, designing, installing or verifying electrical installations.

Guidance Note 6: Protection Against Overcurrent book cover

Guidance Note 7: Special Locations, 5th Edition

Guidance Note 7: Special Locations book cover

Guidance Note 7 Special Locations is one of the most extensively updated titles in the Guidance Note series. This will be an indispensable guide for anyone working with electrical installations in specific locations where guidance may vary, such as bathrooms, medical locations, etc.

Amendment No. 3 changes include:

  • cables in bathrooms;
  • outdoor lighting;
  • ELV lighting; and
  • mobile and transportable units.

Who is this book for?

This book will be of value to anyone working with electrical installations in specific locations where guidance may vary.  This includes consulting engineers, electricians, electrical installers, inspectors and technicians.  

Guidance Note 8: Earthing & Bonding, 3rd Edition

Guidance Note 8: Earthing & Bonding has been updated to reflect changes made by Amendment Nos 2 (2013) and 3 (2015).

Amendment No. 3 changes includes the moving of Section 722 Electric Vehicle Charging Points from Guidance Note 7 to Guidance Note 8. 

Who is this book for?

This book is necessary for all involved with specifying, designing, installing or verifying electrical installations, including includes consulting engineers, electricians, electrical installers, inspectors and technicians. It can also serve as a guide for surveyors.

Guidance Note 8: Earthing & Bonding book cover

 

Other guidance

Electrical Installation Design Guide: Calculations for Electricians and Designers (3rd Edition)

Electrical Installation Design Guide, 3rd Edition book cover

This book provides step-by-step guidance on the design of electrical installations, from domestic installation final circuit design to fault level calculations for LV systems.  

Amendment No. 3 changes include:

  • definitions throughout the Wiring Regulations; and
  • earth fault loop impedances for all protective devices.

Who is this book for?

Apprentices and trainees will find this book very helpful in carrying out the calculations necessary for a basic installation. In addition, consultants will find it useful to be able to check the calculations of their design packages.

Electrician’s Guide to the Building Regulations (4th Edition)

Another of our big sellers, the Electrician's Guide to the Building Regulations will ensure that domestic installers comply not only with the requirements for electrical safety, but also with other relevant parts, including Fire Safety, Ventilation and Conservation of Energy.

Many of the changes in Amendment No. 3 of BS 7671:2008 are reflected in this essential guide to the Building Regulations. These are expected to include (but are not limited to):

  • changes to definitions throughout the Wiring Regulations;
  • changes to earth fault loop impedances for all protective devices;
  • consumer units (to come into effect January 2016);
  • circuit-breakers used as functional switches;
  • isolation of outdoor lighting;
  • cables in bathrooms;
  • outdoor lighting; and
  • ELV lighting.

By following the new guidance, you can ensure that your work meets the new standards and improves safety for yourselves and that of homeowners.

Electrician's Guide to the Building Regulations BS 7671:2008+A3:2015 book cover

Who is this book for?

This book is for all those involved with domestic electrical installations that need to comply with the Building Regulations of England, Scotland, Wales and Northern Ireland.

Commentary on IET Wiring Regulations 17th Edition (BS 7671:2008+A3:2015 Requirements for Electrical Installations)

Commentary of IET Wiring Regulations 17th Edition BS 7671:2008+A3:2015 book cover

This book is a complete guide to the IET Wiring Regulations and the important changes expected in Amendment No. 3 to BS 7671:2008.

Author Paul Cook provides comprehensive guidance on all aspects of electrical installation design, including the Electricity Safety Quality and Continuity Regulations. Derivations of the requirements are included along with the relevant formulas, data, installation design calculations, and examples.

The Commentary also includes guidance on related subjects, such as the prevention of electromagnetic interference, allowance for harmonic currents and the use of cable armouring.

Who is this book for?

This book is essential reading for consultants, electricians, installation designers and all those with a professional interest in the implementation and interpretation of the Wiring Regulations.

Further information

We’re committed to making sure that everyone can access and understand the changes made You can pre-order your copy of Amendment No. 3 and its associated publications on the IET website. All members will receive their 35% discount; all non-members will receive a 15% discount on pre-orders of all the above mentioned publications.

Look out for our Special Edition of Wiring Matters, which will be available in January to coincide with the launch of Amendment No. 3. We will be bringing you numerous exclusive articles from expert John Bradley on all matters Amendment No. 3.