Posted by Stuart Downing on 13-Oct-2017 14:47:20

What would be the upcoming changes in the BS7671 IET Wiring Regulations?

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BS7671 (IET Wiring Regulations) delivers the requirements for electrical installations within the UK. It sets the standards for design, erection and verification of electrical installations including any additions or alterations. Importantly for you, it further outlines the requirements and need for periodic electrical inspection and testing within Chapter 6, and document ‘Guidance Note 3: Inspection and Testing’.

The first edition ‘Rules and Regulations for the Prevention of Fire Risks arising from Electric Lighting’ was issued in 1882, and the current 17th Edition (as amended) in 2008. 2018, however, will see the launch of the 18th Edition of the wiring regulations.

BS7671:2018 is due to be published: 1st July 2018

BS7671:2018 will become effective: 1st January 2019

Who is involved?

There are four panels of industry experts including manufacturers, trade associations and consultants reporting to JPEL/64, the decision-making committee of BS 7671:2018

The four panels are as follow:

  • Panel A, covering verification, inspection and testing
  • Panel B, covering cable sizing, installation and related matters
  • Panel C, covering earthing installations and related matters
  • Panel D, covering the remainder

Before being published, major revisions to the Regulations (such as the 2018 version), are released as a ‘Draft for Public Comment’. This ensures that all interested parties can comment and get involved in the proposed amendments. 

Click here to download 'Electrical Inspection and Testing: An easy guide  to fulfilling your duties'

BS7671:2018 - What are the proposed changes:

Protection against overvoltages
  • Clause 443 is likely to be significantly revised
  • Exception when not to provide protection
Protection against fire
  • Installation of arc fault detection devices (AFDDs)
Changes to Section 753
  • The scope is extending to cover embedded electric heating systems
  • Documentation is also covered
New section Energy Efficiency
  • Energy efficiency performance levels point system
  • Reduction of energy consumption
  • Covering several energy efficient areas, such as electric vehicles.

We also expect to see plenty of additions and deletions to existing regulations as well as updates to tables and forms.

Why it’s important to keep up to date with the changes?

If you are an electrical duty holder, electrical maintenance engineer, installation electrician or inspector, changes to the Wiring Regulations will have an impact. In some instances, the impact may appear insignificant - such as a change to words or phrases used. However, it could involve a change (or deletion) to an existing regulation which may have a significant affect on the way in which an installation needs to be approached. Whatever the changes are, you need to be informed to ensure you are making the right decisions.

To find out more about your obligations towards electrical inspections and testing as a duty holder, download our free guide, ‘Electrical inspection and testing: An easy guide to fulfilling your duties’.

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Topics: Electrical Safety

Stuart Downing

Written by Stuart Downing

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