Requirements for Electrical Installations, IET Wiring Regulations, Eighteenth Edition, BS 7671:2018+A4:2026

AvThe Institution of Engineering and Technology

Häftad, Engelska, 2026

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Beskrivning

The IET Wiring Regulations is the national standard for electrical installations in domestic, commercial and industrial settings. It is the essential standard for all those concerned with the design, installation, certification and maintenance of electrical installations. Amendment 4:2026 is a major update to BS 7671:2018, The IET Wiring Regulations, Eighteenth Edition.BS 7671:2018+A4:2026 is a consolidated publication which incorporates all previous amendments to the standard. New inclusions within BS 7671:2018+A4:2026 are: Stationary Secondary Batteries where the purpose is for electrical storage and supply of electrical installations; Functional earthing and functional equipotential bonding for information and communication technology (ICT) equipment and systems; a new section on Power over Ethernet (PoE) and a major revision of Section 710 Medical Locations and the inclusion of a schedule of test results for recording the resistance of supplementary protective equipotential bonding conductors.From 15th April 2026 you will need to have a copy of BS 7671:2018+A4:2026, known as 'the orange book'.

Produktinformation

Utgivningsdatum:2026-01-01
Mått:210 x 297 x 27 mm
Vikt:1 428 g
Format:Häftad
Språk:Engelska
Serie:Electrical Regulations
Antal sidor:640
Förlag:Institution of Engineering and Technology
ISBN:9781839539725

Utforska kategorier

Energiteknik inom Naturvetenskap och teknik

Innehållsförteckning

Introduction to BS 7671:2018Introduction to Amendment 1:2020Introduction to Amendment 2:2022Introduction to Amendment 3:2024Introduction to Amendment 4:2026Part 1: Scope, object and fundamental principles Chapter 11: ScopeChapter 12: Object and effectsChapter 13: Fundamental principles Part 2: Terms and definitions Symbols used in BS 7671Abbreviated terms used in BS 7671 Part 3: Assessment of general characteristics Chapter 30: Assessment of general characteristicsChapter 31: Purposes, supplies and structureChapter 32: Classification of external influencesChapter 33: CompatibilityChapter 34: MaintainabilityChapter 35: Safety servicesChapter 36: Continuity of service Part 4: Protection for safety Chapter 41: Protection against electric shockChapter 42: Protection against thermal effectsChapter 43: Protection against overcurrentChapter 44: Protection against voltage disturbances and electromagnetic disturbancesChapter 45: Not used Chapter 46: Isolation and switching Part 5: Selection and erection of equipment Chapter 51: Common rulesChapter 52: Selection and erection of wiring systemsChapter 53: Protection, isolation, switching, control and monitoringChapter 54: Earthing arrangements and protective conductorsChapter 55: Other equipmentChapter 56: Safety services Part 6: Inspection and testing Chapter 61: Not used Chapter 62: Not used Chapter 63: Not used Chapter 64: Initial verificationChapter 65: Periodic inspection and testing Part 7: Special installations or locations Section 700 GeneralSection 701: Locations containing a bath or showerSection 702: Swimming pools and other basinsSection 703: Rooms and cabins containing sauna heatersSection 704: Construction and demolition site installationsSection 705: Agricultural and horticultural premisesSection 706: Conducting locations with restricted movementSection 708: Electrical installations in caravan / camping parks and similar locationsSection 709: Marinas and similar locationsSection 710: Medical locationsSection 711: Exhibitions, shows and standsSection 712: Solar photovoltaic (pv) power supply systemsSection 714: Outdoor lighting installationsSection 715: Extra-low voltage lighting installationsSection 716: Power over ethernetSection 717: Mobile or transportable unitsSection 721: Electrical installations in caravans and motor caravansSection 722: Electric vehicle charging installationsSection 729: Operating and maintenance gangwaysSection 730: Onshore units of electrical shore connections for inland navigation vesselsSection 740: Temporary electrical installations for structures, amusement devices and booths at fairgrounds, amusement parks and circusesSection 753: Heating cables and embedded heating systems Part 8: Functional requirements Chapter 81: Low voltage electrical installations: functional aspects - energy efficiencyChapter 82: Prosumer's low voltage electrical installations Appendices Appendix 1 (Normative): British standards and other standards or documents to which reference is made in BS 7671Appendix 2 (Informative): Statutory regulations and associated memorandaAppendix 3 (Informative): Time/current characteristics of overcurrent protective devicesAppendix 4 (Informative): Current-carrying capacity and voltage drop for cablesAppendix 5 (Informative): Classification of external influencesAppendix 6 (Informative): Model forms for certification and reportingAppendix 7: Deleted by BS 7671:2018+A2:2022 Appendix 8 (Informative): Current-carrying capacity and voltage drop for busbar trunking and powertrack systemsAppendix 9 (Informative): IT, multiple source, DC and other systemsAppendix 10 (Informative): Protection of conductors in parallel against overcurrentAppendix 11 (Informative): Warning and user instruction labelsAppendix 12: Not used Appendix 13 (Informative): Escape routes and fire protectionAppendix 14 (Informative): Determination of prospective fault currentAppendix 15 (Informative): Ring and radial final circuit arrangements, Regulation 433.1Appendix 16 (Informative): Devices for protection against overvoltageAppendix 17: Deleted by BS 7671:2018+A4:2026 Table of figuresTable of tablesIndex