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18th Edition Bitesize Guide BS 7671:2018 was issued on 2nd July 2018 and is intended to come into effect on 1st January 2019. Installations designed after 31st December 2018 are to comply with BS 7671:2018. The Regulations apply to the design, erection and verification of electrical installations, also additions and alterations to existing installations. Contents: *Protection Against Electric Shock *Protection Against Fire Caused by Electrical Equipment *Protection Against Transient Overvoltages of Atmospheric Origin or Due to Switching *Supporting of Cables Against Premature Collapse *Selection of Types of RCD *Overload Protection of RCCB's Switches etc. *Selection of Compatible Devices Within an Assembly
BS 7671:2018 Amendment 2 was issued 28th March 2022. The Wiring Regulations (BS 7671) regularly come under review to ensure all standards are compliant with today’s electrical needs. These reviews may also happen when standards change at an international or European level to ensure technical consistency with the UK. The general structure of the Wiring Regulations remains unchanged, however, there is now an additional Part 8 on the topic of Functional Requirements of Prosumer’s Electrical Installations. This edition may be implemented immediately however BS 7671:2018+A1:2020 remains current until it is withdrawn on 27th September 2022. During this transition period, a designer or installer can use either edition for compliance for their installation. They will, however, have to choose which edition they are working to, as it is not acceptable to mix clauses from the two amendments.