Guidance Note 1: Selection & Erection contains clear guidance on how to apply the relevant sections of BS 7671. A fundamental guide for specifiers, installers and those testing installations, the expected updates in Amendment 3 greatly impact on day-to-day tasks.
Guidance Note 1: Selection & Erection contains clear guidance on how to apply the relevant sections of BS 7671. A fundamental guide for specifiers, installers and those testing installations, the expected updates in Amendment 3 greatly impact on day-to-day tasks.
* Chapter 1: General requirements * Chapter 2: Selection and erection of equipment * Chapter 3: Protection against overcurrent, electric shock and overvoltage * Chapter 4: External influences * Chapter 5: Installation of cables * Chapter 6: Sizing of cables * Chapter 7: Other influences * Chapter 8: Installation of equipment * Appendix A: Cable capacities of conduit and trunking * Appendix B: Degrees of protection provided by enclosures * Appendix C: Standard circuit arrangements and the provision of socket-outlets * Appendix D: Limitation of earth fault loop impedance for compliance with Regulation 543.1.1 * Appendix E: Resistance and impedance of copper and aluminium conductors under fault conditions * Appendix F: Selection and erection of wiring systems * Appendix G: Notes on methods of support for cables, conductors and wiring systems * Appendix H: Maximum demand and diversity * Appendix I: Permitted protective conductor currents * Appendix J: Standard symbols, units and graphical symbols for general electrical purposes * Appendix K: Addresses of associated bodies and industry contacts
* Chapter 1: General requirements * Chapter 2: Selection and erection of equipment * Chapter 3: Protection against overcurrent, electric shock and overvoltage * Chapter 4: External influences * Chapter 5: Installation of cables * Chapter 6: Sizing of cables * Chapter 7: Other influences * Chapter 8: Installation of equipment * Appendix A: Cable capacities of conduit and trunking * Appendix B: Degrees of protection provided by enclosures * Appendix C: Standard circuit arrangements and the provision of socket-outlets * Appendix D: Limitation of earth fault loop impedance for compliance with Regulation 543.1.1 * Appendix E: Resistance and impedance of copper and aluminium conductors under fault conditions * Appendix F: Selection and erection of wiring systems * Appendix G: Notes on methods of support for cables, conductors and wiring systems * Appendix H: Maximum demand and diversity * Appendix I: Permitted protective conductor currents * Appendix J: Standard symbols, units and graphical symbols for general electrical purposes * Appendix K: Addresses of associated bodies and industry contacts
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