NAPIT On-site Solutions-Practical Solutions to Electrical Installations to BS7671:2018+A2:2022-2nd Edition 2022 (PDF)

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About the book:

Publisher: NAPIT
Place of Publication: United Kingdom
Pages: 332
Edition: 2022
Language: English
Size: 104 Mb

Complies with BS7671:201 8+A2:2022.

Content:

Preface 4
Foreword 5
About the author 6
Introduction 7
Section 1 Legal Requirements ...................... 8
1.0 Legal Requirements-Health and Safety 10
1.1 The Health and Safety at Work Act etc. 1974 (HASWA) 10
1.2 The Electricity at Work Regulations 1989 (EAWR) 10-12
1.3 The Construction (Design and Management) Regulations 2015 13-14
1.4 The Electricity Safety, Quality and Continuity Regulations (ESQCR) 14
1.5 The Provision and Use of Work Equipment Regulations 1998 (PUWER) 14-15
1.6 Personal Protective Equipment (PPE)2002 and Personal Protective Equipment at Work (Amendment) Regulations 2022 15-17
1.7 Building Regulations 17-42
Section 2 Requirements of Standards 44
2.0 Requirements of Standards 46
2.1 BS7671:2018+A2:2022Requirements for Electrical Installation (IET Wiring Regulations 18th Edition) 46
2.2 Chapter 1 1 Scope 46-47
2.3 Chapter 12 Object and Effects 47
2.4 Chapter 13 Fundamental Principles 47-51
2.5 Selection of Electrical Equipment 51-52
2.6 Erection and Initial Verification of Electrical Installations 52
2.7 Definitions 53-54
2.8 Protective Earthing 54-56
2.9 Protective Bonding 56-57
2.10 Extraneous-conductive-parts 57
2.11 Supply and Conductor Terms 57-59
2.12 Classification of Persons 59-60
Section 3 Identification of Installation Requirements 62
3.0 Identification of Installation Requirements 64
3.1 Supplies of Electricity 64-67
3.2 Supply Systems 67-69
3.3 The Consumer Unit 69-75
3.4 Distribution Components: Consumer Units and Distribution Boards 75-96
3.5 Consumer Unit Considerations: Non-combustible 96-100
3.6 Replacing Consumer Units 100-105
3.7 Consumer Unit Torque Requirements 105-109
3.8 Installing Additional Consumer Units 110-111
3.9 Protective Earthing and Bonding 111-121
3.10 Wiring Systems and Cable Type 121-125
3.11 1st Fix Wiring 125-127
3.12 New Build Houses-Meter Tails 127-131
3.13 Fixings for Cables 132-134
3.14 Radii of Bends 134-135
3.15 Installation of Cables and their Current-carrying Capacities 136-138
Section 4 Design Considerations 140
4.0 Design Considerations 142
4.1 Fundamental Principles 142
4.2 Assessment of General Characteristics 142-1 43
4.3 Cable Calculations 143-157
4.4 Diversity and Maximum Demand 157-1 60
4.5 Lighting Circuits 160-170
4.6 Wiring an Extractor Fan 170-171
4.7 Socket-outlet Circuits 1 72-175
4.8 Fused Connection Units (FCUs) 175
4.9 Standard Circuit Arrangements 176-1 84
4.10 Central Heating Control and Wiring 184-195
4.1 1 Supplying a Detached Building 196-198
4.12 Supplying a Garage 198-201
4.13 Detached Workshop 201-203
4.14 PME Concerns and Outbuildings 203-207
4.15 TT System for Outbuildings 208
4.16 Alterations and Additions to Circuits 209
Section 5 Safe Isolation of Electrical Supplies 210
5.0 Safe Isolation 212
5.1 Legislation and Regulations 212
5.2 Legislation 212
5.3 HSE Guidance 212
5.4 Electricity at Work Regulations 21 3
5.5 New Installations 213-214
5.6 Alterations and Additions 214-215
5.7 Isolation Points 215-219
5.8 Permits to Work 220
5.9 Proving that isolated Circuits and Equipment are dead 220-221
5.10 Dangers on TT Supply Systems 221
5.11 Warning Notice 221-222
5.12 Isolation of Larger Installations 222
5.13 Isolating the Neutral Conductor 223
5.14 Isolation Arrangements at the Origin 223
5.15 Restricted Access 224
5.16 For General Use 224-225
5.17 Isolation Arrangements at the Origin of Three-phase Systems 225
Section 6 Inspection and Testing 226
6.0 Inspection and Testing 228
6.1 Requirements of BS7671 228
6.2 Inspection ................................ 228-231
6.3 Testing 231-255
6.4 Certification 255-260
Section 7 Progression of Documentation 262
7.0 Documentation 264
7.1 Types of Documentation 264
7.2 Designing the Installation 264-266
7.3 Electrical Circuit Design 266
7.4 Essential Paperwork and Labels 266-269
7.5 Construction Design and Management Regulations (CDM) 269-270
7.6 Building Information Modelling (BIM) 270-271
7.7 Approved Document P 271
7.8 Paperwork Summary 271-277
Section 8 Prosumer's Electrical Installations and Solar Photovoltaic (PV) Generation...278
8.0 Prosumer's Electrical Installations and Solar Photovoltaic (PV) Generation 280-281
8.1 Solar PV 282
8.2 PV Requirements 282
8.3 What is a PV System? 282
8.4 General Requirements 282-283
8.5 Common Protective Measures 283-285
8.6 Devices for Isolation 285-286
8.7 System Shutdown Procedure 287
8.8 System Startup Procedure 287
8.9 Signs and Labels 287-289
8.10 Maintaining Solar PV 289-290
Section 9 Electric Vehicle Charging Installations 292
9.0 Electric Vehicle Charging Installations 294
9.1 Maximum Demand and Diversity 294
9.2 Loading Considerations 294-295
9.3 Load Management of Electric Vehicles 296
9.4 Conductor Arrangement and System Earthing 296-313
Section 10 Understanding Smart Homes 314
10.0 Understanding Smart Homes 316
10.1 What is in the Scope of this Section 316
10.2 So What is Changing to Enable Smart Homes to Hit the Mass Market? 316-317
10.3 Comfort Range of Products 317-320
10.4 Mid-range and Premium Products 320-321
10.5 Smart Home Versus Traditional Solutions 321-324
10.6 Evolution of Smart Solutions 324-325
10.7 Testing Considerations 325-326

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