Section 1: Introduction Section 2: The electrical supply Section 3: Earthing and bonding Section 4: Protection Section 5: Isolation and switching Section 6: Power quality and energy efficiency Section 7: Special locations and emergency requirements Section 8: Inspection and testing Section 9: Example temporary systems Appendix A: Maximum permissible measured earth fault loop impedance Appendix B: Current-carrying capacities and voltage drop for common flexible cables Appendix C: Resistance of copper and aluminium conductors Appendix D: Circuit-breaker operating curves 101 Appendix E: Operating times of RCDs to BS EN 61008 & BS EN 61009 (including DC performance characteristics) Appendix F: BS 7909 model forms Appendix G: Schedule of Test Results 09 (including DC performance characteristics) Appendix F: BS 7909 model forms Appendix G: Schedule of Test Results 09 (including DC performance characteristics) Appendix F: BS 7909 model forms Appendix G: Schedule of Test Results 09 (including DC performance characteristics) Appendix F: BS 7909 model forms Appendix G: Schedule of Test Results.