18th Edition IET Wiring Regulations. Electric W...
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British Standard BS 7671 "Requirements for Electrical Installations. IET Wiring Regulations", informally called in the UK electrical community "The Regs", is the national standard in the United Kingdom for electrical installation and the safety of electrical wiring in domestic, commercial, industrial, and other buildings, also in special installations and locations, such as marinas or caravan parks and medical locations[1]
The current version is BS 7671:2018 (the 18th Edition) issued in 2018 and came into effect from 1 January 2019.[3] Amendment 2 to the 18th Edition was published in March 2022. BS 7671 is also used as a national standard by Mauritius, St Lucia, Saint Vincent and the Grenadines, Sierra Leone, Singapore, Sri Lanka, Trinidad and Tobago, Uganda, Cyprus, and several other countries, which base their wiring regulations on BS 7671.
The standard is maintained by the Joint IET/BSI Technical Committee JPEL/64, the UK National Committee for Wiring Regulations, and published by the IET (formerly IEE). Although the IET and BSI are non-governmental organisations and the Wiring Regulations are non-statutory, they are referenced in several UK statutory instruments, and in most cases, for practical purposes, have legal force as the appropriate method of electric wiring.[4]
Electrical wiring in the United Kingdom is commonly understood to be an electrical installation for operation by end users within domestic, commercial, industrial, and other buildings, and also in special installations and locations, such as marinas or caravan parks.[1] It does not normally cover the transmission or distribution of electricity to them.
Electrical wiring is ultimately regulated to ensure safety of operation, by such as the building regulations, currently legislated as the Building Regulations 2010, which lists "controlled services" such as electric wiring that must follow specific directions and standards, and the Electricity at Work Regulations 1989. The detailed rules for end-use wiring followed for practical purposes are those of BS 7671 Requirements for Electrical Installations. (IET Wiring Regulations), currently in its 18th edition, which provide the detailed descriptions referred to by legislation.
UK electrical wiring standards are largely harmonised with the regulations in other European countries and the international IEC 60446 standard. However, there are a number of specific national practices, habits and traditions that differ significantly from other countries, and which in some cases survived harmonisation. These include the use of ring circuits for domestic and light commercial fixed wiring, fused plugs, and for circuits installed prior to harmonisation, historically unique wiring colours.
The risk of electrical shock on construction sites can be reduced by several measures, including reduction of the normal 230-volt distribution voltage to 110 volts for electrical lighting and power tools. By using a centre-tapped transformer, each conductor of the circuit is only at 55 volts with respect to earth. This reduces the chance of dangerous electrical shock when using power tools in wet locations.[14] Where 230 volts must be used, a residual current device (RCD) can be used to detect small leakage currents and automatically isolate faulty equipment. In sites where hazardous flammable gases or liquids are present, special wiring rules are applied to reduce the probability of a spark igniting a fire or explosion.[15]
All new electrical work in England and Wales within a domestic setting must comply with Part P[17] of the Building Regulations first introduced on 1 January 2005, which are legally enforceable. One way of achieving this is to apply British Standard BS 7671 (the "Wiring Regulations"), including carrying out adequate inspection and testing to this standard of the completed works. British Standard BS 7671 (the "Wiring Regulations") is not statutory, thus someone doing electrical work is allowed to deviate from the wiring regulations to some degree, but it is generally accepted that it is best to follow the wiring regulations to the highest standard possible. Electrical work does not have to be compliant with BS 7671, but if a casualty or fatality occurs as a direct result of that electrical work, and this results in a legal action, then it may be necessary to justify major deviations from the principles of BS 7671 and other appropriate standards.
Some of the restrictions first introduced with the 2005 version of Part P of the Building Regulations were highly controversial, especially the rules surrounding work carried out by unregistered electricians, builders and DIYers. Under the new regulations, commencement of any work other than simple changes became notifiable to the local building control authority; "other than simple" in this context meant any work in a kitchen or bathroom other than like-for-like replacement, work in other areas more than just adding extra lights or sockets to an existing circuit, or meeting certain other criteria, such as outdoor wiring. To coincide with the new regulations, the Government approved several professional bodies to award "competent persons" status to enterprises which meet the minimum agreed criteria for Scheme entry. Scheme membership allows an enterprise to "self-certify" work that they carry out without the requirement to have undergone any formal installation training or to hold relevant qualifications in electrical installation practices - since practical competence can be assessment-based only. The minimum criteria for Scheme entry are set by the EAS Committee, on which all of the commercial enterprises running Competent Persons Schemes are actively represented.
Later revisions of part P (latest is 2013) retain the requirement to work to an appropriate standard, but have relaxed the requirements on both certification and notification for many more types of minor works, and crucially also permit a member of an approved body to inspect and 'sign off' notifiable aspects of any work of a third party such as DIYer whose work is of a suitable standard. This is intended to free up local authorities, who often do not have suitably qualified building control staff themselves. Due to uncertainty about who then becomes responsible for any hidden wiring, very few electricians are happy to sign off an installation that they have not been party to from the outset, and been able to agree stages to inspect and test before any covering in.
The IET Wiring Regulations are of interest to all those concerned with the design, installation and maintenance of electric wiring in buildings. The market includes electricians, electrical contractors, consultants, local authorities, surveyors and architects. These books will also be of interest to professional engineers, as well as students at university and further education colleges.
This City & Guilds three day electrical coursewill enable you to gain familiarity with the layout, content and application of18th Edition wiring regulations (BS7671: 2018), each delegatereceives their own copy of this manual on attendance (included in course cost).
Thecourse ensures you are up-to-date with the latest industry regulations onwiring and the safe use and operation of electrical equipment and systems. This programme is entirely theory based andis completed by undertaking an online multiple choice examination.
This City & Guilds 18th Edition course is a part time commercial training course which ensures candidates are up to date with the latest industry regulations on electrical wiring and the safe use and operation of electrical equipment and systems. Glasgow Clyde College has adapted its this course to reflect the changes within Amendment 2 of the Wiring Regulations, published in March 2022.
Significant changes are now incorporated within a new Part 8 of BS7671:2022 providing learners with a new Chapter 82 that addresses - Prosumers Low Voltage electrical installations, removal of the risk assessment method for omitting additional RCD protection on socket outlets and new foundation earthing requirements. A brown Wiring Regulations text book replaces the original 18th Edition Wiring Regulations text book which was blue.
18th Edition IET Wiring Regulations came into effect on 1st January 2019. i-Rewire are fully compliant with the new 18th Edition IET writing regulations and it is important that any electrical work in your property is carried out to the correct standard, and working with the 18th Edition will ensure that all work is finished to the highest of standards, and is legally compliant. Always check that your electrician is fully qualified, and can supply the necessary certificates when the job is complete.
There are specific requirements for safe electrical installations and the IET Wiring Regulations (BS 7671) are the national UK standard to which all domestic and industrial wiring must conform. Created from the relationship between the British Standard (BS 7671) and the European and International Standards for electrical installations, the IET and ECS have collaborated to raise the professionalism within the industry.
These regulations are the national standard in the United Kingdom for electrical installation and the safety of electrical wiring in domestic, commercial, industrial, and other buildings, also in special installations and locations. The 18th Edition applies to all new electrical installations, and to any alterations or additions to existing systems. 59ce067264
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