Cooperating organisations |
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6 | (1) |
Acknowledgements |
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7 | (1) |
Preface |
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8 | (1) |
Introduction |
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9 | (2) |
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Chapter 1 General requirements |
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11 | (4) |
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11 | (1) |
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12 | (1) |
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12 | (1) |
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1.3.1 Certificates and Reports |
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12 | (1) |
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1.3.2 Rented domestic and residential accommodation |
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13 | (1) |
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1.4 Additions and alterations |
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13 | (1) |
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13 | (2) |
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Chapter 2 Initial verification |
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15 | (54) |
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2.1 Purpose of initial verification |
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15 | (1) |
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16 | (1) |
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17 | (1) |
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2.4 Frequency of subsequent inspections |
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18 | (1) |
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18 | (15) |
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18 | (1) |
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2.5.2 Comments on individual items to be inspected |
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18 | (9) |
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2.5.3 Inspection checklist |
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27 | (6) |
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33 | (36) |
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33 | (1) |
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2.6.2 Electrical Installation Certificate |
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33 | (1) |
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34 | (1) |
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2.6.4 The sequence of tests |
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34 | (1) |
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2.6.5 Continuity of protective conductors, including main and supplementary bonding |
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34 | (4) |
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2.6.6 Continuity of ring final circuit conductors |
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38 | (4) |
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2.6.7 Insulation resistance |
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42 | (3) |
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2.6.8 Confirming SELV or PELV circuits by insulation testing |
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45 | (1) |
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2.6.9 Testing of electrically separated circuits |
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46 | (1) |
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2.6.10 Testing of functional extra-low voltage (FELV) circuits |
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47 | (1) |
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2.6.11 Protection by barriers or enclosures provided during erection |
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48 | (1) |
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2.6.12 Proving and testing of non-conducting location (insulation resistance/impedance of floors and walls) |
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49 | (2) |
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51 | (1) |
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2.6.14 Earth electrode resistance testing |
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52 | (5) |
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2.6.15 Protection by automatic disconnection of supply |
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57 | (1) |
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2.6.16 Earth fault loop impedance verification |
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57 | (3) |
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2.6.17 Prospective fault current, Ipf |
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60 | (3) |
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2.6.18 Phase sequence testing |
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63 | (1) |
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2.6.19 Operation and functional testing of RCDs |
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64 | (1) |
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2.6.20 Other functional testing |
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65 | (1) |
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2.6.21 Verification of voltage drop |
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65 | (1) |
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2.6.22 Verification in medical locations |
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66 | (1) |
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2.6.23 Verification of protection of low voltage installations against temporary overvoltages due to faults in the high voltage or low voltage system |
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66 | (1) |
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2.6.24 Verification of protection against overvoltages of atmospheric origin or due to switching |
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67 | (1) |
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2.6.25 Verification of measures against electromagnetic disturbances |
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68 | (1) |
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Chapter 3 Periodic inspection and testing |
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69 | (20) |
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3.1 Purpose of periodic inspection and testing |
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69 | (1) |
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3.2 Necessity for periodic inspection and testing |
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69 | (1) |
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3.3 Electricity at Work Regulations |
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70 | (1) |
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70 | (1) |
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71 | (1) |
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71 | (1) |
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3.7 Frequency of periodic inspections |
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72 | (2) |
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3.8 Requirements for inspection and testing |
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74 | (4) |
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74 | (1) |
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3.8.2 Process -- prior to carrying out inspection and testing |
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75 | (1) |
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75 | (1) |
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3.8.4 Setting inspection and testing samples |
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76 | (2) |
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78 | (5) |
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3.9.1 Example checklist of items that require inspection |
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78 | (5) |
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83 | (4) |
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83 | (1) |
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83 | (1) |
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3.10.3 Additional notes on periodic testing |
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84 | (3) |
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3.11 Electrical Installation Condition Report |
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87 | (1) |
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3.12 Periodic inspection of installations constructed to an earlier edition of BS 7671 or the IEE Wiring Regulations |
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88 | (1) |
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Chapter 4 Test instruments and equipment |
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89 | (8) |
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89 | (1) |
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89 | (1) |
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4.3 Low-resistance ohmmeters |
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90 | (1) |
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4.4 Insulation resistance testers |
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91 | (1) |
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4.5 Earth fault loop impedance testers |
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91 | (1) |
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4.6 Earth electrode resistance testers |
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92 | (1) |
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92 | (1) |
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4.8 Phase rotation instruments |
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92 | (1) |
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4.9 Thermographic equipment |
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93 | (4) |
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97 | (22) |
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5.1 Initial verification (inspection and testing) forms |
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97 | (1) |
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98 | (1) |
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5.3 Periodic inspection and testing |
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98 | (1) |
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5.4 Model forms for certification and reporting |
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98 | (21) |
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Appendix A Maximum permissible measured earth fault loop impedance |
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119 | (8) |
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119 | (4) |
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A2 Appendix 14 of BS 7671:2008 |
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123 | (1) |
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A3 Methods of adjusting tabulated values of Zs |
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123 | (4) |
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Appendix B Resistance of copper and aluminium conductors |
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127 | (4) |
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B1 Standard overcurrent devices |
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129 | (1) |
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B2 Steel-wire armour, steel conduit and steel trunking |
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130 | (1) |
Index |
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131 | |