BS 7671:2008A Review of the Changes

Socket In A Shower!! What’s That All About??

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Today’s Agenda

•Aim – to provide a brief overview of the 17th Edition of the Wiring Regulations and how these changes may impact

•Agenda:- What is BS 7671?- Major changes

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BS 7671

© BSI AND THE INSTITUTION OF ELECTRICAL ENGINEERS 2001 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION

BRITISH STANDARD BS 7671 : 2001

Requirements forElectrical Installations

IEE Wiring RegulationsSixteenth Edition

Copies may be obtained from The Institution at the following address:

The Institution of Electrical Engineers,P.O. Box 96, STEVENAGE,United Kingdom. SG1 2SDTel: 01438 767 328 Fax: 01438 742 792Email: sales@iee.org.uk

© BSI AND THE INSTITUTION OF ELECTRICAL ENGINEERS 2001 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION

BRITISH STANDARD BS 7671 : 2001

Requirements forElectrical Installations

IEE Wiring RegulationsSixteenth Edition

Copies may be obtained from The Institution at the following address:

The Institution of Electrical Engineers,P.O. Box 96, STEVENAGE,United Kingdom. SG1 2SDTel: 01438 767 328 Fax: 01438 742 792Email: sales@iee.org.uk

•UK standard for electrical installation work•More commonly referred to as IEE Wiring Regulations – 16th Edition

•First given BS connotation in 1992

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17th Edition BS 7671: 2008

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Revision of BS 7671

•Is necessary to maintain harmonization with the International standard (IEC 60364) and the related European Harmonization Document (HD 384)

•This will result in:

- Renumbering

- Restructuring

- New regulations

- Removal of some existing regulations

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Transition

•Published Jan 2008•From Jan to June 30th either 16th or 17th can be used•Design of all installations after July 1st 2008 to comply with BS 7671 – 17th Edition

•Many changes...…Including…….

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Format

•Made up of 7 parts- Part 1 – Scope- Part 2 – Definitions- Part 3 – General Characteristics- Part 4 – Protection for Safety- Part 5 – Selection & Erection of Equipment

- Part 6 – Inspection & Testing

- Part 7 – Special Locations

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Numbering

•No dashes or zeros- 522-06-06 becomes 522.6.6

•Different system is employed for Part 7 – Special Locations

•Examples- Regulation 701.415 relates to Bathrooms (701) and measures for additional protection (Regulation 415 in Part 4)

- 701.415.2 – Supplementary bonding from 415.2

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Part 1 - Scope

• New requirements for protection against voltage disturbances & electromagnetic influences

• Testing & workmanship• 132.13

- Appropriate documentation• 134.1.1

- “Good workmanship by competent persons”• 134.2.1

- Inspection & testing to be carried out by competent person

• 134.2.2- Designer responsible for periodic testing

interval

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Part 2 - Definitions

•Increase from around 170 to 250

- Including solar (PV) systems•Now includes “Competent Person”

- “A person who possesses sufficient technical knowledge and experience for the nature of the electrical work undertaken and is able at all times to prevent danger, and where appropriate, injury to themselves and others”

•Reference back to Part 1 – workmanship & testing

•Same as found in Reg 16 of Electricity at Work Act 1989

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Part 2 - Definitions

•The term phase becomes “LINE”•Direct & In-direct contact replaced •Direct becomes - “BASIC PROTECTION”•Indirect becomes - “FAULT PROTECTION”

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Quiz Instructions - Quiz

•Please take this short quiz. •To select an answer please click on the relevant bullet point.

•Once you have done this click on submit to move on.•Please press play to start.

Click Play or Next button on Playbar to start the quiz

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What is the standard for electrical installation work in the UK?

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A) BS 7671

B) BS 7698

C) BS 7534

D) BS 1363

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What standards are we harmonsing with?

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A) European

B) American

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What parts have changed places in the 17th edition?

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A) Parts 6 and 5

B) Parts 6 and 7

C) Parts 1 and 4

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What has phase been changed to?

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A) Line

B) Live

C) Stays as phase

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Quiz

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BS 7671:2008

An Overview of the Changes