Guidance Note 2: Isolation & Switching
Author:   The Institution of Engineering and Technology
Publisher:   Institution of Engineering and Technology
Edition:   10th edition
ISBN:  

9781837240456


Pages:   106
Publication Date:   03 June 2026
Format:   Paperback
Availability:   In Print   Availability explained
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Guidance Note 2: Isolation & Switching


Overview

Guidance Note 2: Isolation & Switching provides clear guidance on what can be a confusing aspect of BS 7671. It is ideal for those working in design, testing and inspection and maintenance and operational aspects and has been fully updated to BS 7671:2018+A4:2026, including isolation of multipole source systems, guidance on the selection of protective, isolation and switching devices; bidirectional and unidirectional devices and Firefighters switches.

Full Product Details

Author:   The Institution of Engineering and Technology
Publisher:   Institution of Engineering and Technology
Imprint:   Institution of Engineering and Technology
Edition:   10th edition
ISBN:  

9781837240456


ISBN 10:   1837240450
Pages:   106
Publication Date:   03 June 2026
Audience:   College/higher education ,  Professional and scholarly ,  Tertiary & Higher Education ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print   Availability explained
This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us.

Table of Contents

Cooperating organizations Acknowledgements Preface Introduction Chapter 1: Statutory requirements Chapter 2: Overview of BS 7671 Chapter 3: Definitions and principles Chapter 4: Isolation Chapter 5: Switching off for mechanical maintenance Chapter 6: Emergency switching and emergency stopping Chapter 7: Functional switching Chapter 8: Firefighters' switches Chapter 9: Special installations or locations Chapter 10: Prosumer's low-voltage electrical installations Appendix A: Safety service and product standards of relevance to this Guidance Note Appendix B: Safe isolation procedures Appendix C: Permit-to-Work procedures Appendix D: Safety locks and group lock boxes Appendix E: Forms of separation for LV switchgear Index

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