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

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(ii) Keep hands away from any circuit or equipment that are not working on. (iii) Unauthorized people should not stay in the work place. (iv) The requirements stated in procedures and check lists should be followed. (v) Electrical installations, including but not limited to those newly installed, maintained, repaired or tripped under fault conditions, should be properly inspected and tested prior to energisation. Table 4(1) List of Standards and Organisations Recognised by the Director Recognised (i) International Electrotechnical Commission National/International Standards (IEC) Standards (ii) Guo Biao (GB) (iii) British Standards (BS) (iv) Standards approved by the International Commission on Rules for the Approval of Electrical Equipment (CEE) (v) European Standards (EN) Harmonization Document (HD) (vi) American National Standards (ANS) (vii) Japanese Industrial Standards (JIS) (viii) Australian Standards (AS) Recognised National (i) International Electrotechnical Commission Organisations (ii) Standardization Administration of China (iii) British Standards Institution (iv) International Commission on Rules for the Approval of Electrical Equipment (v) European Committee for Electrotechnical Standardization CENELEC (vi) American National Standards Institute (vii) Japanese Standards Association (viii) Standards Australia 28
Code 5 SEGREGATION OF CIRCUIT CATEGORIES 5A Circuit Category 5B Segregation of Category 1, 2 and 3 Circuits (1) General (2) Category 1 and Category 2 circuits (with enclosures) (3) Category 3 and Category 1 & 2 circuits (with enclosures) (4) Category 1, 2 and 3 circuits without enclosure or underground 5C Segregation of Category 4 Circuits and Circuits of Other Categories 5D Segregation of Circuits from Overhead Telecommunication Lines and Telephone Lines 29
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
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 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 64 and 65: Table 9(4) Classification of MCB to
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
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Table 11(4) Minimum Cross-sectional
Page 82:
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
Page 99 and 100:
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
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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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202
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204
Page 206 and 207:
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
Page 236 and 237:
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
Page 252 and 253:
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
Page 278 and 279:
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
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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
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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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