| Foreword |
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xi | |
| Preface |
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xiii | |
| BS 7671 Wiring Regulations 2008 |
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1 | (3) |
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4 | (9) |
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Manufacturer's instructions |
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4 | (1) |
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4 | (1) |
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Chapter 13 Fundamental principles |
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5 | (8) |
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131 Protection for safety |
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5 | (1) |
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6 | (1) |
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6 | (1) |
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131.1 Protection against thermal effects |
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6 | (1) |
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131.4 Protection against overcurrent |
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7 | (1) |
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131.5 Protection against fault current |
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7 | (1) |
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131.6 Protection against voltage disturbances and measures against electromagnetic disturbances |
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7 | (1) |
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131.7 Protection against voltage power supply interruption |
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7 | (1) |
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131.8 Additions and alterations to an installation |
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7 | (1) |
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8 | (1) |
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132.2 Characteristics of supply |
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8 | (1) |
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8 | (1) |
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132.4 Electrical supply systems for safety services or standby electrical supply systems |
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8 | (1) |
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132.5 Environmental conditions |
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8 | (1) |
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132.6 Cross-sectional areas of conductors |
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9 | (1) |
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132.7 Types of wiring and method of installation |
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9 | (1) |
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132.8 Protective equipment |
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9 | (1) |
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9 | (1) |
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132.10 Disconnecting devices |
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9 | (1) |
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132.11 Prevention of mutual detrimental influence |
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10 | (1) |
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132.12 Accessibility of electrical equipment |
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10 | (1) |
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132.13 Documentation for the electrical installation |
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10 | (1) |
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132.14 Protective devices and switches |
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10 | (1) |
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132.15 Isolation and switching |
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10 | (1) |
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133 Selection of electrical equipment |
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11 | (1) |
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134 Erection and verification of electrical installations |
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11 | (1) |
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11 | (1) |
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134.2 Initial verification |
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11 | (1) |
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135 Periodic inspecting and testing |
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11 | (2) |
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13 | (6) |
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13 | (2) |
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15 | (1) |
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15 | (4) |
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Part 3 301 Assessment of general characteristics |
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19 | (8) |
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19 | (5) |
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311 Maximum demand and diversity |
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19 | (3) |
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312 Arrangement of live conductors and type of earthing |
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22 | (1) |
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22 | (2) |
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314 Division of installation |
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24 | (1) |
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24 | (1) |
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Classification of external influences |
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24 | (1) |
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25 | (1) |
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25 | (1) |
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332 Electromagnetic capability |
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25 | (1) |
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25 | (1) |
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25 | (1) |
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25 | (1) |
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25 | (1) |
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26 | (1) |
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361 Continuity of service |
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26 | (1) |
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27 | (14) |
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Protection against electric shock |
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27 | (14) |
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411.7 Functional extra low voltage |
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36 | (1) |
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411.8 Reduced low-voltage systems |
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37 | (2) |
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412 Double or reinforced insulation |
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39 | (1) |
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413 Electrical separation |
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39 | (1) |
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417 Obstacles and placing out of reach |
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40 | (1) |
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40 | (1) |
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418.1 Non-conducting locations |
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40 | (1) |
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418.2 Protection by earth-free local equipotential bonding |
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41 | (1) |
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41 | (5) |
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Protection against thermal effects |
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41 | (1) |
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Protection against fire caused by electrical equipment (421) and locations with risks of fire due to the nature of processed or stored materials (422) |
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42 | (4) |
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46 | (15) |
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Protection against overcurrent |
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46 | (8) |
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433.2 Position of devices for protection against overload |
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54 | (1) |
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433.3.1 Omission of devices for protection against overload |
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55 | (2) |
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433.4 Conductors in parallel |
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57 | (2) |
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434.5 Characteristics of a fault current protective device |
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59 | (2) |
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435.2 Protection offered by separate devices |
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61 | (1) |
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61 | (2) |
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Protection against voltage disturbances and electromagnetic disturbances |
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61 | (1) |
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61 | (1) |
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61 | (1) |
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445 Protection against undervoltages |
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62 | (1) |
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Part 5 Selection and erection of equipment |
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63 | (50) |
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63 | (7) |
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512 Operational conditions and external influences |
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63 | (2) |
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65 | (1) |
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514 Identification and notices |
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65 | (5) |
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515 Prevention of mutual detrimental influence |
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70 | (1) |
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70 | (10) |
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Selection and erection of wiring systems |
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70 | (1) |
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521 Types of wiring system |
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70 | (1) |
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521.5 Electromechanical effects in a.c. circuits |
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71 | (1) |
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522 Selection and erection of wiring systems in relation to external influences |
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72 | (3) |
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523 Current carrying capacity of cables |
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75 | (3) |
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526 Electrcial connections |
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78 | (1) |
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527 Selection and erection of wiring systems to minimise the spread of fire |
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79 | (1) |
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527.2 Sealing of wiring system penetrations |
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79 | (1) |
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528 Proximity of wiring systems to other services |
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79 | (1) |
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528.2 Proximity of communication cables |
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80 | (1) |
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528.3 Proximity to non-electrical services |
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80 | (1) |
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529 Selection and erection of wiring systems in relation to maintainability |
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80 | (1) |
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80 | (7) |
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Protection, isolation, switching, control and monitoring |
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80 | (6) |
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86 | (1) |
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87 | (19) |
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Earthing arrangements and protective conductors |
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87 | (2) |
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542.1.8 Separate installations sharing the same supply |
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89 | (3) |
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92 | (10) |
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543.7 Earthing requirements for the installation of equipment having high protective conductor currents |
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102 | (3) |
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544 Protective bonding conductors |
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105 | (1) |
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544.2 Supplementary bonding conductors |
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105 | (1) |
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106 | (4) |
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106 | (1) |
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551 Low-voltage generating sets |
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106 | (1) |
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551.6 Additional requirements where the generator is used as a standby system |
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107 | (1) |
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107 | (1) |
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554.2 Heaters having immersed elements |
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107 | (1) |
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554.4 Heating conductors and cables |
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108 | (1) |
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559.4 General requirements for outdoor lighting installations |
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108 | (1) |
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559.6.1.5 Fixing of the luminaires |
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108 | (1) |
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109 | (1) |
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559.10.3.1 Outdoor lighting installations, highway power supplies and streel furniture |
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110 | (1) |
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110 | (3) |
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110 | (3) |
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Part 6 Inspection and testing |
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113 | (42) |
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114 | (41) |
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114 | (9) |
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123 | (4) |
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Protection by SELV, PELV or electrical separation |
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127 | (1) |
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127 | (1) |
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127 | (1) |
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127 | (1) |
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127 | (1) |
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Earth fault loop impedance |
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128 | (1) |
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Ze, external earth loop impedance |
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128 | (1) |
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Zs, circuit earth fault loop impedance |
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129 | (1) |
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Prospective fault current |
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130 | (1) |
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131 | (1) |
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132 | (1) |
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Periodic inspection and testing |
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133 | (13) |
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146 | (1) |
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146 | (1) |
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146 | (1) |
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Immersion heater circuits |
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147 | (1) |
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147 | (1) |
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Three-phase circuits/systems |
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148 | (1) |
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148 | (7) |
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Part 7 Special installations or locations |
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155 | (36) |
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155 | (1) |
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Locations containing a bath or shower |
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155 | (5) |
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160 | (1) |
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160 | (1) |
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161 | (1) |
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162 | (1) |
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Swimming pools and other basins |
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162 | (1) |
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163 | (1) |
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Rooms and cabins containing sauna heaters |
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163 | (2) |
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165 | (1) |
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Construction and demolition sites |
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165 | (1) |
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166 | (1) |
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Agricultural and horticultural premises |
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166 | (2) |
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168 | (1) |
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Conducting locations with restrictive movement |
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168 | (1) |
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169 | (1) |
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Electrical installations in caravan and camping parks |
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169 | (2) |
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171 | (1) |
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Marinas and similar locations |
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171 | (1) |
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172 | (1) |
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Exhibitions, shows and stands |
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172 | (1) |
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173 | (1) |
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Solar PV power supply systems |
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173 | (12) |
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185 | (1) |
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Mobile or transportable units |
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185 | (2) |
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187 | (1) |
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Electrical installations in caravans and motor caravans |
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187 | (1) |
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188 | (1) |
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Temporary electrical installations for structures, amusement devices and booths at fairgrounds, amusement parks and circuses |
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188 | (1) |
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188 | (1) |
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Floor and ceiling heating systems |
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188 | (3) |
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191 | (26) |
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191 | (1) |
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191 | (1) |
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191 | (3) |
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194 | (11) |
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194 | (1) |
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195 | (2) |
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197 | (2) |
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199 | (1) |
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Voltage drop in ring circuits |
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200 | (2) |
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202 | (3) |
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205 | (1) |
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Classification of external influences |
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206 | (1) |
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206 | (1) |
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206 | (1) |
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Harmonised cable core colours |
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207 | (1) |
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207 | (1) |
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Current carrying capacity and voltage drop for bus bar trunking and powertrack systems |
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207 | (1) |
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207 | (1) |
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Multiple source d.c. and other systems |
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207 | (1) |
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207 | (3) |
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Protection of conductors in parallel against overcurrent |
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207 | (3) |
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210 | (3) |
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Effect of harmonic currents on balanced three-phase systems |
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210 | (3) |
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213 | (1) |
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Voltage drop in consumers' installations |
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213 | (1) |
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213 | (1) |
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Measuring the insulation resistance or impedance of floors and walls to earth or the protective conductor system |
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213 | (1) |
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213 | (1) |
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Measurement of earth fault loop impedance taking into consideration of conductor resistance increase due to temperature increase |
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213 | (1) |
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214 | (3) |
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Ring and radial final circuit arrangements |
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214 | (3) |
| Index |
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217 | |
Rohkem infot Taylor & Francis e-raamatute kohta