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Guidance Note 5: Protection Against Electric Shock 8th edition [Pehme köide]

  • Formaat: Paperback / softback, 136 pages, kõrgus x laius: 297x210 mm
  • Sari: Electrical Regulations
  • Ilmumisaeg: 10-Dec-2018
  • Kirjastus: Institution of Engineering and Technology
  • ISBN-10: 1785614584
  • ISBN-13: 9781785614583
Teised raamatud teemal:
Guidance Note 5: Protection Against Electric Shock 8th editionSuurem pilt
  • Formaat: Paperback / softback, 136 pages, kõrgus x laius: 297x210 mm
  • Sari: Electrical Regulations
  • Ilmumisaeg: 10-Dec-2018
  • Kirjastus: Institution of Engineering and Technology
  • ISBN-10: 1785614584
  • ISBN-13: 9781785614583
Teised raamatud teemal:
Püsilink: https://www.kriso.ee/db/9781785614583.html
Märksõnad:

Guidance Note 5: Protection Against Electric Shock provides a core element of safety for specifiers, designers, contractors and inspectors. It includes clear guidance on how to apply the safety requirements of BS 7671 concerning electric shock and has been fully updated to BS 7671:2018.



Guidance Note 5: Protection Against Electric Shock provides a core element of safety for specifiers, designers, contractors and inspectors. It includes clear guidance on how to apply the safety requirements of BS 7671 concerning electric shock and has been fully updated to BS 7671:2018.

The 18th Edition IET Wiring Regulations publishes in July 2018 and comes into effect on 1st January 2019. All new installations from this point must comply with BS 7671:2018.

Cooperating organisations 6(1)
Acknowledgements 7(1)
Preface 8(1)
Introduction 9(2)
Chapter 1 Statutory Regulations and The Wiring Regulations
11(6)
1.1 Statutory Regulations
11(1)
1.2 The Electricity at Work Regulations 1989 as amended
11(1)
1.3 The Electricity Safety, Quality and Continuity Regulations 2002
12(2)
1.4 The Building Regulations
14(2)
1.5 The Construction (Design and Management) Regulations 2015
16(1)
Chapter 2 Electric shock and protective measures
17(4)
2.1 Electric shock
17(1)
2.2 Physiology of electric shock
17(2)
2.3 Protective provisions and protective measures
19(2)
Chapter 3 Provisions for basic protection
21(4)
3.1 Introduction
21(1)
3.2 Insulation
21(1)
3.3 Barriers or enclosures
22(3)
Chapter 4 Automatic disconnection of supply
25(16)
4.1 The protective provisions
25(1)
4.2 Definitions
25(1)
4.3 Automatic disconnection of supply
26(6)
4.4 TN system, requirements for disconnection
32(1)
4.5 TT system, requirements for disconnection
33(2)
4.6 IT systems
35(1)
4.7 Functional extra-low voltage (FELV)
36(1)
4.8 Reduced low voltage systems
37(2)
4.9 Additional protection by residual current devices
39(1)
4.10 Additional protection where automatic disconnection times cannot be achieved
40(1)
4.11 Where automatic disconnection is not required for shock protection
40(1)
4.12 Highway power supplies
40(1)
Chapter 5 Double or reinforced insulation
41(2)
5.1 The protective provisions
41(1)
5.2 Effective supervision of installations and circuits
41(1)
5.3 Circuit protective conductors
41(1)
5.4 Equipment marking
42(1)
5.5 Wiring systems
42(1)
Chapter 6 Electrical separation
43(4)
6.1 The protective provisions
43(1)
6.2 Electrical separation applied to one item of equipment
44(1)
6.3 Electrical separation for the supply to more than one item of current-using equipment
44(3)
Chapter 7 Extra-low voltage provided by SELV or PELV
47(6)
7.1 The protective provisions
47(1)
7.2 ELV systems
48(1)
7.3 SELV (separated extra-low voltage)
49(1)
7.4 PELV (protective extra-low voltage)
50(1)
7.5 Calculation of loop impedance in PELV (and FELV) circuits
51(1)
7.6 SELV and PELV requirements in Part 7 of BS 7671
52(1)
Chapter 8 Additional protection
53(6)
8.1 The protective provisions
53(1)
8.2 Additional protection by residual current devices (RCDs)
53(2)
8.3 Additional protection by supplementary equipotential bonding
55(4)
Chapter 9 Obstacles and placing out of reach
59(6)
9.1 Scope of application
59(1)
9.2 The protective provisions
59(1)
9.3 Definitions
60(1)
9.4 Obstacles
60(1)
9.5 Placing out of reach
61(4)
Chapter 10 Protective measures for application only where the installation is controlled or under the supervision of skilled or instructed persons
65(6)
10.1 Protective measures and provisions
65(1)
10.2 Non-conducting location
66(2)
10.3 Earth-free local equipotential bonding
68(1)
10.4 Electrical separation for the supply to more than one item of current-using equipment
69(2)
Chapter 11 Earthing
71(8)
11.1 Earthing systems
71(2)
11.2 HV supplies
73(1)
11.3 Earth electrodes
74(2)
11.4 Earthing conductor
76(1)
11.5 Main earthing terminal or bar
77(1)
11.6 Functional earthing
77(2)
Chapter 12 Circuit protective conductors
79(8)
12.1 Introduction
79(1)
12.2 Sizing of circuit protective conductors
79(3)
12.3 Provision of circuit protective conductors
82(1)
12.4 High protective conductor currents
83(4)
Chapter 13 Protective equipotential bonding
87(10)
13.1 Introduction
87(1)
13.2 Main protective equipotential bonding
87(4)
13.3 Supplementary equipotential bonding
91(2)
13.4 Example of supplementary bonding
93(2)
13.5 Extraneous-conductive-parts
95(2)
Chapter 14 Protective multiple earthing
97(10)
14.1 Introduction
97(1)
14.2 Supply system
98(1)
14.3 Potential difference within buildings
98(1)
14.4 Potential difference outside buildings
98(1)
14.5 Additional earth electrode for PME supplies
98(1)
14.6 Special locations
99(8)
Chapter 15 Special installations or locations
107(10)
15.1 The increased risks
107(2)
15.2 Regulation numbering
109(1)
15.3 Supplementary and modified requirements
109(8)
Chapter 16 Cables installed in walls, floors, ceilings and partitions
117(2)
16.1 A cable installed under a floor or above a ceiling
117(1)
16.2 A cable installed in a wall or partition
117(1)
16.3 A cable installed in a wall or partition with metal parts
118(1)
Appendix A Maximum permissible measured earth fault loop impedance 119(4)
Appendix B Resistance of copper and aluminium conductors 123(4)
Index 127