• Cooperating organizationsAcknowledgementsPrefaceIntroductionChapter 1: Statutory requirementsChapter 2: Overview of BS 7671Chapter 3: Definitions and principlesChapter 4: IsolationChapter 5: Switching off for mechanical maintenanceChapter 6: Emergency switching and emergency stoppingChapter 7: Functional switchingChapter 8: Firefighters' switchesChapter 9: Special installations or locationsChapter 10: Prosumer's low-voltage electrical installationsAppendix A: Safety service and product standards of relevance to this Guidance NoteAppendix B: Safe isolation proceduresAppendix C: Permit-to-Work proceduresAppendix D: Safety locks and group lock boxesAppendix E: Forms of separation for LV switchgearIndex

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• Cooperating organizationsAcknowledgementsPrefaceIntroductionChapter 1: Statutory requirementsChapter 2: Overview of BS 7671Chapter 3: Definitions and principlesChapter 4: IsolationChapter 5: Switching off for mechanical maintenanceChapter 6: Emergency switching and emergency stoppingChapter 7: Functional switchingChapter 8: Firefighters' switchesChapter 9: Special installations or locationsChapter 10: Prosumer's low-voltage electrical installationsAppendix A: Safety service and product standards of relevance to this Guidance NoteAppendix B: Safe isolation proceduresAppendix C: Permit-to-Work proceduresAppendix D: Safety locks and group lock boxesAppendix E: Forms of separation for LV switchgearIndex

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• Cooperating organizationsAcknowledgementsPrefaceIntroductionChapter 1: Statutory requirementsChapter 2: Overview of BS 7671Chapter 3: Definitions and principlesChapter 4: IsolationChapter 5: Switching off for mechanical maintenanceChapter 6: Emergency switching and emergency stoppingChapter 7: Functional switchingChapter 8: Firefighters' switchesChapter 9: Special installations or locationsChapter 10: Prosumer's low-voltage electrical installationsAppendix A: Safety service and product standards of relevance to this Guidance NoteAppendix B: Safe isolation proceduresAppendix C: Permit-to-Work proceduresAppendix D: Safety locks and group lock boxesAppendix E: Forms of separation for LV switchgearIndex

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