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

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Appendix 14 References References may be made to the following publications for better applying and understanding of the requirements of the CoP. IEC 60079 Electrical apparatus for explosive gas atmospheres IEC 60085 Electrical insulation - Thermal classification IEC 60127 Miniature fuses IEC 60189 Low-frequency cables and wires with PVC insulation and PVC sheath IEC 60227 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V IEC 60228 Conductors for insulated cables IEC 60238 Edison screw lampholders IEC 60245 Rubber insulated cables of rated voltages up to and including 450/750 V IEC 60269 Low-voltage fuse IEC 60309 Plugs, socket-outlets and couplers for industrial IEC 60364 purposes Low-voltage electrical installations / Electrical IEC 60423 installations of buildings Conduit systems for cable management - Outside diameters of conduits for electrical installations and threads for conduits and fittings IEC 60439 Low-voltage switchgear and controlgear assemblies IEC 60529 Degree of protection provided by enclosures (IP Code) IEC 60617 Graphical symbols for diagrams IEC 60669 Switches for household and similar fixed electrical installations IEC 60702 Mineral insulated cables and their terminations with a rated voltage not exceeding 750 V IEC 60755 General requirements for residual current operated protective devices IEC 60898 Electrical accessories - Circuit-breakers for overcurrent protection for household and similar installations 313
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CODE OF PRACTICE FOR THE ELECTRICIT
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Page 6G Final Circuits Using 16A In
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Page 17. Display of Labels and Noti
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Page Appendices 208 1. Prescribed R
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Code 1 INTRODUCTION PART I This Cod
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‘cable trunking’ means a manufa
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‘powertrack system’ means an as
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Code 3 APPLICATION 3A General Appli
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Code 4 GENERAL SAFETY REQUIREMENTS
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warning notices and the placing of
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4E Working Space (a) A minimum clea
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Additional lighting should be provi
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(b) Work procedure for High Voltage
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(ii) Keep hands away from any circu
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Code 5 SEGREGATION OF CIRCUIT CATEG
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(i) A minimum horizontal or vertica
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Code 6 CIRCUIT ARRANGEMENT 6A Divis
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(2) Control Each circuit should be
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(4) Permanently connected equipment
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Type of Circuit A1 Ring A2 Radial A
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Code 7 CURRENT DEMAND 7A Current De
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Purpose of Conductors or Switchgear
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Code 8 ISOLATION AND SWITCHING 8A P
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(iv) luminaires (lamp replacement a
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(3) Devices for switching off for m
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Code 9 OVERCURRENT PROTECTIVE DEVIC
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Overload protective devices may hav
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Table 9(1) Limiting Final Temperatu
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Table 9(4) Classification of MCB to
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Code 10 NEUTRAL CONDUCTOR PROTECTIV
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Code 11 EARTH LEAKAGE AND EARTH FAU
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(b) Subject to subparagraph (a) abo
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(Note: 1. An extraneous conductive
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(d ) Where a residual current devic
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(c) Values of k for protective cond
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Table 11(4) Minimum Cross-sectional
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Table 11(11) Maximum Earth Fault Lo
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Code 12 EARTHING ARRANGEMENT 12A Ge
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(4) Plate electrode Plate electrode
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Code 13 CONDUCTORS, JOINTS AND CONN
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(a) the ambient temperature does no
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(2) Identification of cable cores (
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Code 14 WIRING INSTALLATION ENCLOSU
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(b) Flexible steel conduits should
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14E Cable Capacity of Enclosures (1
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Table 14(2) Cable Factors and Condu
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Table 14(4) Cable Factors and Trunk
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Code 15 ADVERSE CONDITIONS INSTALLA
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(c) Where cables are to be connecte
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(d ) Electrical equipment and wirin
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(b) There should be adequate means
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Table 15(4) Selection of Electrical
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Code 16 OVERHEAD LINE INSTALLATIONS
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(2) Any point of the span The condu
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Code 17 DISPLAY OF LABELS AND NOTIC
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Code 18 ALTERATIONS AND ADDITIONS 1
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Code 19 FIRST INSPECTION, TESTING A
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Code 20 PERIODIC INSPECTION, TESTIN
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(b) Examples of the above are dange
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Code 21 PROCEDURES FOR INSPECTION,
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21B Testing of Low Voltage Installa
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(6) Polarity (a) A test of polarity
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(d ) Secondary Injection Test (i) T
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will have affected the results of t
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146
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Code 22 MAKING AND KEEPING OF RECOR
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Checklists Requirements to be Used
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Code 23 & Code 24 (Reserved for Fut
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Part II Code 25 GENERAL WORKMANSHIP
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equipment should be suitable for th
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(2) Installation of PVC insulated,
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(c) Where cold compound with plasti
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(b) Earth continuity across joints
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Table 25(2) Spacing of Supports for
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166
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Code 26 REQUIREMENTS FOR SPECIFIC I
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Code 26 REQUIREMENTS FOR SPECIFIC I
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(iii) controls and switches of wate
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(vi) Except as provided by (vii) wh
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(b) Facilities should be incorporat
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(3) Starting facilities of electric
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than the product of the total stead
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(5) Transformers (a) Every transfor
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(b) Electrical apparatus and wiring
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(f ) Supply from generator set Wher
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manufacturer’s instructions. Othe
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• SELV, the source for SELV being
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protected by an RCD having the char
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(2) Basic protection and fault prot
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plug. The permanent connection to t
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prevent electric shock to electrica
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Table 26(1) Recommended Number of S
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APPENDICES 1. Prescribed Requiremen
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(d ) The spacing of the socket cont
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diameter of the clamping screw and
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contact with appropriate socket con
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(ii) between live parts and any oth
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(1) General Appendix 3 Prescribed R
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(d ) An earthing terminal should be
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Appendix 4 Prescribed Requirements
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(5) Screws and connections (a) Scre
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Appendix 5 Correction Factors for S
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(3) Correction factors for cables e
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Appendix 6 Current Carrying Capacit
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TABLE A6(1) Single-core PVC insulat
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TABLE A6(2) Multicore PVC insulated
Page 262 and 263: TABLE A6(3) Single-core armoured PV
Page 264 and 265: TABLE A6(4) Multicore armoured PVC
Page 266 and 267: TABLE A6(5) Single core XLPE insula
Page 268 and 269: TABLE A6(6) Multicore XLPE insulate
Page 270 and 271: TABLE A6(7) Single-core XLPE insula
Page 272 and 273: TABLE A6(8) Multicore armoured XLPE
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Page 280 and 281: 280 Contactor Main make contact of
Page 282 and 283: 282 Junction, connection point
Page 284 and 285: No. Symbol Description 45. 46. 47.
Page 286 and 287: No. Symbol Description 68. 69. 70.
Page 288 and 289: Appendix 10 Degree of Protection Pr
Page 290 and 291: Appendix 11 Forms of Internal Separ
Page 292: Appendix 12 Worked Examples for App
Page 296 and 297: Appendix 13 A) Schedule of Test Res
Page 298 and 299: (iii) All joints of metal conduit o
Page 303 and 304: Checklist No. 4—Additional Items
Page 305 and 306: (iv) Suitable stay wires installed
Page 307 and 308: Tested by/Date (N/A if not applicab
Page 309 and 310: (vii) Protective conductor up to an
Page 311: Checklist No. 5—Items for H.V. In
Page 315 and 316: BS EN 60598 Luminaires BS EN 60669
Page 317 and 318: BS 6004 Electric cables. PVC insula
Page 319 and 320: Appendix 15 Safety for Live Work (A
Page 325 and 326: Appendix 18 New Cable Colour Code f
Page 327 and 328: Figure A18(2b) - New coloured wirin
Page 329 and 330: . Existing cables adopting either y
Page 331 and 332: INDEX Alterations and additions to
Page 333 and 334: final 4G(3), 6B(1)(b), 6B(4), 6C(c)
Page 335 and 336: Final circuits arrangement ring sep
Page 337 and 338: Overcurrent protective device coord
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