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

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Page 17. Display of Labels and Notices 120 17A Warning Notice for Substations and Switchrooms 121 17B Warning Notice for Connection of Earthing and Bonding Conductors 121 17C Warning Notice for Repair 121 17D Notice of Periodic Testing of Electrical Installations 122 17E Notice of Testing for Residual Current Devices 122 17F Warning Notice for Installation Having Both New and Old Cable Colours 122 18. Alterations and Additions 123 18A Requirements for Alterations or Additions to a Fixed Installation 124 18B Approval from the Electricity Supplier 124 19. First Inspection, Testing and Certification 125 19A Certification on Completion of an Installation 126 19B Work Completion Certificate 126 20. Periodic Inspection, Testing and Certification 128 20A Fixed Electrical Installations Specified in Regulation 20(1) 129 20B Fixed Electrical Installations Specified in Regulations 20(2), 20(3) and 20(4) 130 20C Periodic Test Certificate 131 21. Procedures for Inspection, Testing and Certification 132 21A Inspection of Low Voltage Installations 133 21B Testing of Low Voltage Installations 134 21C Inspection of High Voltage (H.V.) Installations 138 21D Testing of High Voltage Installations 139 21E Points to be Noted by Registered Electrical Workers 139 22. Making and Keeping of Records 148 22A Keeping of Records by the Owner of an Electrical Installation that Requires Periodic Inspection, Testing and Certification 149 22B Making and Keeping of Records by a Registered Electrical Contractor 149 22C Types of Records 149 22D Checklists 149 23. ⎫ ⎬ (Reserved for Future Uses) 152 24. ⎭ 6
Part II Page 25. General Workmanship 153 25A Wiring Installation Using Conduits 154 25B Wiring Installation Using Trunkings 156 25C Installation of Cables 156 25D Cable Joint and Cable Termination 159 25E Installation of Socket Outlets 163 26. Requirements for Specific Installations and Equipment 168 26A Domestic Installation and Appliance 170 26B Busbar Trunking Distribution System 175 26C Electric Motor 177 26D Supply Connection to Transformers 178 26E Supply Connection to Welding Sets 179 26F Installation of Fluorescent and Gaseous Discharge Lamps 179 26G Installation of Category 3 Circuits 179 26H High Voltage Discharge Lighting Installation (Neon Signs) 179 26I Lightning Protection Installation 183 26J Rising Mains Installation 183 26K Temporary Supply Installation for Construction and Demolition Sites or Repair and Testing Purposes 183 26L Hot Air Saunas Installation 186 26M Swimming Pools and Fountains Installation 188 26N Installation in Restrictive Conductive Locations 193 26O Installation of Equipment Having High Earth Leakage Currents 195 26P Renewable Energy Power System 197 26Q Temporary Electrical Installation for Exhibitions, Shows, Stands and Festive Lighting 198 7
Page 2 and 3: CODE OF PRACTICE FOR THE ELECTRICIT
Page 4 and 5: Page 6G Final Circuits Using 16A In
Page 8 and 9: Page Appendices 208 1. Prescribed R
Page 10 and 11: Code 1 INTRODUCTION PART I This Cod
Page 12 and 13: ‘cable trunking’ means a manufa
Page 14 and 15: ‘powertrack system’ means an as
Page 16 and 17: Code 3 APPLICATION 3A General Appli
Page 18 and 19: Code 4 GENERAL SAFETY REQUIREMENTS
Page 20 and 21: warning notices and the placing of
Page 22 and 23: 4E Working Space (a) A minimum clea
Page 24 and 25: Additional lighting should be provi
Page 26 and 27: (b) Work procedure for High Voltage
Page 28 and 29: (ii) Keep hands away from any circu
Page 30 and 31: Code 5 SEGREGATION OF CIRCUIT CATEG
Page 32 and 33: (i) A minimum horizontal or vertica
Page 34 and 35: Code 6 CIRCUIT ARRANGEMENT 6A Divis
Page 36 and 37: (2) Control Each circuit should be
Page 38 and 39: (4) Permanently connected equipment
Page 40: Type of Circuit A1 Ring A2 Radial A
Page 47 and 48: Code 7 CURRENT DEMAND 7A Current De
Page 49 and 50: Purpose of Conductors or Switchgear
Page 51 and 52: Code 8 ISOLATION AND SWITCHING 8A P
Page 53 and 54: (iv) luminaires (lamp replacement a
Page 55: (3) Devices for switching off for m
Page 58 and 59:
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
Page 66 and 67:
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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142
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144
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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
Page 152 and 153:
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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202
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204
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206
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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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214
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216
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contact with appropriate socket con
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(ii) between live parts and any oth
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222
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224
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(1) General Appendix 3 Prescribed R
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(d ) An earthing terminal should be
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230
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232
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234
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Appendix 4 Prescribed Requirements
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(5) Screws and connections (a) Scre
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240
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242
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244
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246
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248
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250
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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
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TABLE A6(3) Single-core armoured PV
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TABLE A6(4) Multicore armoured PVC
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TABLE A6(5) Single core XLPE insula
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TABLE A6(6) Multicore XLPE insulate
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TABLE A6(7) Single-core XLPE insula
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TABLE A6(8) Multicore armoured XLPE
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274
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276
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278
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280 Contactor Main make contact of
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282 Junction, connection point
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No. Symbol Description 45. 46. 47.
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No. Symbol Description 68. 69. 70.
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Appendix 10 Degree of Protection Pr
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Appendix 11 Forms of Internal Separ
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Appendix 12 Worked Examples for App
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Appendix 13 A) Schedule of Test Res
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(iii) All joints of metal conduit o
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Checklist No. 4—Additional Items
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(iv) Suitable stay wires installed
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Tested by/Date (N/A if not applicab
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(vii) Protective conductor up to an
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Checklist No. 5—Items for H.V. In
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IEC 60947 Low-voltage switchgear an
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BS 88 Part 6 Cartridge fuses for vo
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References may be made to the follo
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320
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(3) Precautions In the new colour c
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5.2 Single-phase installation Exten
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5.3 Three-phase installation Extens
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enclosure in conduit and trunking i
Page 334 and 335:
Double insulation Duct Earth fault
Page 336 and 337:
Joints and termination Labels bondi
Page 338:
Socket outlets general installation
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Code of Practice for the Electricity (Wiring) Regulations - 2009 Edition

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