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

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Table 9(4) Classification of MCB to IEC 60898 according to the instantaneous tripping current Type Instantaneously Tripping Current B 3 In formation above is extracted from IEC 60898-1 ed.1.2 “Copyright©2003 IEC Geneva, Switzerland.www.iec.ch”. 64
Code 10 NEUTRAL CONDUCTOR PROTECTIVE DEVICES, ISOLATORS AND SWITCHES 10A Linked Circuit Breakers, Linked Isolators and Linked Switches 10B Protection of Neutral Conductor 10C Single-pole Switch in Earthing Conductor 65
Page 2 and 3:
CODE OF PRACTICE FOR THE ELECTRICIT
Page 4 and 5:
Page 6G Final Circuits Using 16A In
Page 6 and 7:
Page 17. Display of Labels and Noti
Page 8 and 9:
Page Appendices 208 1. Prescribed R
Page 10 and 11:
Code 1 INTRODUCTION PART I This Cod
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‘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
Page 60 and 61: Overload protective devices may hav
Page 62 and 63: Table 9(1) Limiting Final Temperatu
Page 66 and 67: Code 10 NEUTRAL CONDUCTOR PROTECTIV
Page 68 and 69: Code 11 EARTH LEAKAGE AND EARTH FAU
Page 70 and 71: (b) Subject to subparagraph (a) abo
Page 72: (Note: 1. An extraneous conductive
Page 76 and 77: (d ) Where a residual current devic
Page 78 and 79: (c) Values of k for protective cond
Page 80 and 81: Table 11(4) Minimum Cross-sectional
Page 82: Table 11(11) Maximum Earth Fault Lo
Page 85 and 86: Code 12 EARTHING ARRANGEMENT 12A Ge
Page 87 and 88: (4) Plate electrode Plate electrode
Page 89 and 90: Code 13 CONDUCTORS, JOINTS AND CONN
Page 91 and 92: (a) the ambient temperature does no
Page 93 and 94: (2) Identification of cable cores (
Page 95 and 96: Code 14 WIRING INSTALLATION ENCLOSU
Page 97 and 98: (b) Flexible steel conduits should
Page 99 and 100: 14E Cable Capacity of Enclosures (1
Page 101 and 102: Table 14(2) Cable Factors and Condu
Page 103 and 104: Table 14(4) Cable Factors and Trunk
Page 105 and 106: Code 15 ADVERSE CONDITIONS INSTALLA
Page 107 and 108: (c) Where cables are to be connecte
Page 109 and 110: (d ) Electrical equipment and wirin
Page 111 and 112: (b) There should be adequate means
Page 114 and 115:
Table 15(4) Selection of Electrical
Page 116 and 117:
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
Page 132 and 133:
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
Page 146 and 147:
146
Page 148 and 149:
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
Page 192 and 193:
protected by an RCD having the char
Page 194 and 195:
(2) Basic protection and fault prot
Page 196 and 197:
plug. The permanent connection to t
Page 198 and 199:
prevent electric shock to electrica
Page 200 and 201:
Table 26(1) Recommended Number of S
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202
Page 204 and 205:
204
Page 206 and 207:
206
Page 208 and 209:
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
Page 258 and 259:
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
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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
Page 280 and 281:
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
Page 309 and 310:
(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
Page 320:
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
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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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