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Code of Practice for the Electricity (Wiring) Regulations - 2009 Edition

Code of Practice for the Electricity (Wiring) Regulations - 2009 Edition

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Page<br />

6G Final Circuits Using 16A Industrial Socket Outlets to<br />

Requirements Prescribed in Appendix 4 39<br />

6H Final Circuits Using 32A, 63A or 125A Industrial<br />

Socket Outlets to Requirements Prescribed in Appendix 4 39<br />

7. Current Demand 46<br />

7A Current Demand <strong>of</strong> a Circuit 47<br />

7B Determination <strong>of</strong> Current Demand 47<br />

8. Isolation and Switching 50<br />

8A Provision <strong>of</strong> Isolation and Switching 51<br />

8B Requirements <strong>of</strong> Isolation and Switching Devices 53<br />

9. Overcurrent Protective Devices 57<br />

9A General Requirements 58<br />

9B Relation Between Circuit Conductors and Overcurrent<br />

Protective Devices 58<br />

9C Breaking Capacity <strong>of</strong> Overcurrent Protective Devices 59<br />

9D Position <strong>of</strong> Overcurrent Protective Devices 60<br />

9E O<strong>the</strong>r Requirements <strong>of</strong> Overcurrent Protective Devices 61<br />

10. Neutral Conductor Protective Devices, Isolators and Switches 65<br />

10A Linked Circuit Breakers, Linked Isolators and<br />

Linked Switches 66<br />

10B Protection <strong>of</strong> Neutral Conductor 66<br />

10C Single-pole Switch in Earthing Conductor 66<br />

11. Earth Leakage and Earth Fault Currents 67<br />

11A General 68<br />

11B Basic Requirements 68<br />

11C Protective Conductors 69<br />

11D Earthing <strong>of</strong> Exposed Conductive Parts 70<br />

11E Equipotential Bonding 71<br />

11F Supplementary Bonding 72<br />

11G Main Earthing Terminal 73<br />

11H Earthing Conductor 74<br />

11I Earth Fault Loop Impedance (Zs) 74<br />

11J Residual Current Device (RCD) 75<br />

11K Earth Electrodes 76<br />

4

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