Code of Practice Electric Vehicle Charging Equipment Installation 5th Edition 2023 (PDF)

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- About the book:

Edition: 5th Edition 2023
Pages: 209
Publisher: IET
Language: English;

Size: 105Mb

Key changes to the 5th Edition include:

- full alignment with BS7671:2018+A2:2O22and the guidance in ENA Engineering Recommendation G12/4.
- a substantially updated section on 'vehicle as storage'
- including prosumer's electrical installations.
- legislative changes reflecting.
- requirements of The Electric Vehicles (Smart Charge Points) Regulations 2021.
- the addition of Part S of Schedule 1 to the Building Regulations 2010 in England.
- physical installation requirements, accessibility and PAS1899 guidance.
- guidance on the installation of telecommunications and auxiliary cabling.
- revising the requirements of a simultaneous contact assessment to accommodate a mix of earthing
arrangements.
- considerations for fire safety in EV charging installations (recognizing RISC Authority publication RC59) for
domestic and commercial properties.

New and updated appendices covering:

- installation practices for earth electrodes.
- Mode 4 charging equipment including details of pantograph connectivity systems for HGV and PSV.
- guidance regarding the minimum depth of buried cables and minimum height of overhead suspended
cables in different environments.
- extended guidance covering earth fault loop impedance and RCD testing, including use of vehicle simulators for
- Mode 3 charging equipment and testing in prosumer's electrical installations.
- an expanded DNO notification section to include for V2G and V2H applications.
- updated guidance on inductive charging installations.

Content

Acknowledgments 6
Preface 7
Section 1 Scope 9
Section 2 Overview of EV charging equipment 11
2.1 Introduction 11
2.2 Charging equipment for conductive charging (Modes 1, 2, 3 and 4 according to BSEN 61851series) 11
2.3 Socket-outlets, connectors and cables (Regulation 722.55.101) 16
2.4 Other variations in EV charging equipment design and specification 17
Section 3 Arrangements prior to installation commencement 19
3.1 Legislation specifically relating to charging equipment 19
3.2 Supply metering 20
3.3 Adequacy of supply 21
3.4 Existing earthing arrangements 22
3.5 Simultaneous contact assessment 22
3.6 Mobile or wireless network coverage 23
3.7 Charging equipment manufacturer's instructions and requirements 23
3.8 Agree installation details with client 23
3.9 Planning permission 23
3.10 Traffic Regulation Order 24
Section 4 Physical installation requirements 25
4.1 Introduction 25
4.2 Potentially explosive atmospheres 25
4.3 Location of charging equipment relative to parking space 26
4.4 Protection against vehicle impact 28
4.5 Accessibility and Part M of the Building Regulations 28
4.6 Free space around the charging equipment 31
4.7 Ventilation and cooling 31
4.8 Labelling of BS1363 socket-outlets 32
4.9 Lighting 32
4.10 Fire safety 32
Section 5 Electrical requirements - General 33
5.1 General 33
5.2 Protection against electric shock 34
5.3 PME supply 36
5.4 General requirements for circuit design, cable selection and dimensions 47
5.5 Protection against electric shock 48
5.6 Requirements for the provision of RCDs 49
5.7 Requirements for isolation and switching 51
5.8 External influences 51
5.9 Socket-outlets and connectors 52
5.10 Arc fault protection devices (AFDDs) 52
5.11 Surge protection (Sections 443 and 534 of BS7671) 52
5.12 Prosumer's electrical installations and other alternative sources of supply 53
5.13 Telecommunications and auxiliary cabling 53
Section 6 Dwelling installations 59
6.1 Scope 59
6.2 Adequacy of existing installation and supply arrangements 59
6.3 Earthing and protective equipotential bonding requirements 61
6.4 TT systems 61
6.5 TN-S system 61
6.6 TN-C-S system (PME supply) 61
6.7 Protective equipotential bonding 65
6.8 General requirements for circuit design, cable specifications and dimensions 66
6.9 Protection against electric shock 67
6.10 Requirements for the provision of RCDs (Regulation722.531.2) 67
6.11 Requirements for isolation and switching 68
6.12 External influences (Regulation Group 722.512.2) 69
6.13 Lightning and surge protection systems 69
6.14 Prosumer's electrical installations 69
6.15 Accessibility and mechanical protection 70
6.16 Fire safety considerations for the location of EVSE 70
Section 7 On-street installations 71
7.1 Scope 71
7.2 Planning and client specifications for an on-street installation 72
73 Technical requirements for on-street installations 73
74 Typical supply and earthing arrangements for dedicated supplies 80
7.5 Supply and earthing arrangements for re-purposed street lighting supplies 81
Section 8 Commercial and industrial installations 83
8.1 General 83
8.2 Earthing and protective equipotential bonding requirements 84
8.3 Requirements for circuit design,cable selection and dimensions 88
8.4 Protection against electric shock 88
8.5 Requirements for the provision of RCDs (Regulation722.531.2) 89
8.6 Requirements for isolation and switching 89
8.7 IP ratings 90
8.8 Lightning and surge protection systems 90
8.9 Accessibility 90
8.10 Mechanical protection 91
8.11 Fire safety considerations for provision of EVSE 91
Section 9 Inspection, testing and maintenance requirements 93
9.1 BS 7671 93
9.2 EV charging equipment functional checks 93
9.3 Customer care 93
9.4 Maintenance 93
9.5 Frequency of inspection and test 93
9.6 Particular considerations for initial and periodic verification in accordance with BS7671 94
Section 10 Vehicle as storage 101
10.1 Scope 101
10.2 Background 101
10.3 Overall system design considerations 102
10.4 Isolation and switching off for maintenance 103
10.5 Special considerations for V2G services 103
10.6 Electrical considerations for parallel operation 104
10.7 Electrical considerations for island-mode operation 107
10.8 System labels and safety signs 113
10.9 System handover and documentation 113
Section 11 Distribution network operator (DNO) notification 115
11.1 All EVSE installations 115
11.2 EV installations with V2X 116
Section 12 Integration and smart infrastructure 117
12.1 What is 'smart charging'? 117
12.2 Means of control 127
12.3 Data integration planning considerations 128
12.4 Physical requirements for integration 129
12.5 Software maintenance and lifecycle 131
12.6 Software failures and system recovery 131
12.7 Electrical safety 132
12.8 Electrical design hierarchy and the influence of controls 132
Appendix A Charging connectors and charging cable types 135
Appendix B Checklists for dwelling installations 139
Appendix C Checklists for on-street installations 145
Appendix D Checklists for commercial and industrial installations 151
Appendix E Wireless power transfer (WPT) installations 157
Appendix F Installing an earth electrode system to enable use of a PME supply earth, in accordance with Regulation 722.411.4.1(ii) of BS 7671 161
Appendix G Separation of earth electrode zones where a TT (or Mode 4 IT system) is used separate from other earthing arrangements 165
Appendix H Determining a suitable location and voltage tripping threshold for a measurement earth electrode if used for compliance with Regulation 722.411.4.1(iii)of BS 7671 171
Appendix I Installation practices for earth electrodes 173
Appendix J Supply and earthing arrangements for Mode 4 DC EVSE 175
Appendix K Minimum depth of buried cables and height of overhead suspended cables 179
Appendix L Regulatory marking 185
Appendix M Earth fault loop impedance contribution of steel wire armour cables (Annex NA of PD IEC/TR 50480) 187
Appendix N Glossary 193
Appendix O References 195
Index 201

Tags: IET Electric Vehicle Charging Equipment Installation