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Full Description
This Guide provides clarity on the technical and practical requirements of BS 7671:2018 The IET Wiring Regulations 18th Edition and BS 7909:2011 Code of Practice for temporary electrical systems for entertainment and related purposes that are relevant to all those working with temporary power systems.
Contents
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