Guide to the Wiring Regulations. 17th Edition IEE Wiring Regulations (BS ). Darrell Locke IEng MIEE ACIBSE. Electrical Contractors' Association. IET Wiring Regulations. Seventeenth Edition. © The Institution of Engineering and Technology and BSI. NiO COPYRIG iM ANY FORM AITHOUT \ſ/RITTEN. items With the 18th Edition of the IET Wiring Regulations come new recommendations as well as increased levels of regulation. Whether that's in the form.
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4. IET WIRING REGULATIONS BS 18TH EDITION. —. The IET Wiring Regulations require all new electrical system designs and installations, as well as. likely to be a rocket scientist, but sometimes to read the Wiring Regulations you might think that This book is not intended to take the place of the 17th Edition of the Wiring. Regulations (BS .. Reproduced with permission of IEE. Electricity. The First Edition of The Regulations had requirements for: In , the Sixteenth Edition of the IEE Wiring Regulations In the Seventeenth Edition.
The scope generally follows that of BS It includes material not included in BS , provides background to the intentions of BS and gives other sources of information. However, this guide does not ensure compliance with BS It is a simple guide to the requirements of BS , and electricians and electrical installers should always consult BS to satisfy themselves of compliance. It is expected that persons carrying out work in accordance with this guide will be competent to do so.
It cannot be guaranteed that BS complies with all relevant Regulations and it is stressed that it is essential to establish what statutory and other Regulations apply and to install accordingly. For example, an installation in Licensed Premises may have requirements different from or additional to BS and these will take precedence over BS BS and the On-Site Guide are not design guides.
It is essential to prepare a schedule of the work to be done prior to commencement or alteration of an electrical equipment supplied to the user on completion.
The specification must provide for all the commissioning procedures that will be required and for the production of any operational manual. Often, such as in a speculative building, the detailed intended use is unknown. In producing the specification, advice should be sought from the installation owner Precise details of each item of equipment should be obtained from the manufacturer The Institution of Engineering and Technology On-Site Guide 9 I The operational manual must include a description of how the system as installed is to operate and all commissioning records.
The manual should also include manufacturers' technical data for all items of switchgear, luminaires, accessories, etc.
On-SITE GUIDE BS 7671 2008 IEE Wiring Regulations 17th Edition
The Health and Safety at Work etc. Act Section 6 and the Construction Design and Management Regulations are concerned with the provision of information. Guidance on the preparation of technical manuals is given in BS Specification for technical manuals and BS Building and civil engineering.
The supply and earthing arrangements will be satisfactory, but there may be a need to alter the arrangement of the installation, in order to rebalance the load across the phases now that machinery is no longer present. Ideally all metal conduit and trunking should be removed together with any socket outlets within 3 m of the boundary of zone 1. The trunking could be replaced with PVC; alternatively it could be boxed in using insulating material and screw-on lids to enable access.
It could be argued that no action is necessary as it is above 2.
(Wiring) Regulations - 2015 Edition
Suspended fluorescent fittings should be replaced with the enclosed variety, with control switches preferably located outside the area.
The activities in the ground-floor area will almost certainly involve various ball games, giving it a classification of AG2 medium impact.
Conduit drops are probably suitable, but old isolators and switch-fuses should be removed, and luminaires fixed to the ceiling and caged, or be replaced with suitably caged spotlights on side walls at high level.
As the whole building utilization can now be classified as BA2 children , it is probably wise to provide additional protection against shock by installing 30 mA RCDs on all circuits. Compatibility Unlikely to be any compatibility problems with the new usage.
Maintainability Mainly periodic test and inspection with some maintenance of lighting, hence suitable access equipment should be available, together with spare lamps and tubes. Lamp disposal facilities should be considered. A maintenance programme should be in place and all safety and protective measures should be effective throughout the intended life of the installation. The supply and earthing system should be suitable, but a measurement of the prospective fault current PFC and Ze should be taken.
The loading of the showers will have been accounted for during the assessment of maximum demand.
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In the unlikely event of original design and installation details being available, it may be possible to utilize the existing trunking without exceeding space factors or de-rating cables due to the application of grouping factors. However, it is more probable that 6 IEE Wiring Regulations: Design and Verification a re-evaluation of the trunking installation would need to be undertaken, or alternatively, install a completely separate system.
Whichever the method adopted, a distribution circuit supplying a four-way distribution board located outside the area would be appropriate, the final circuits to each shower being run via individual control switches also outside, and thence to the units using a PVC conduit system.The maximum time interval recommended before the next inspection is stated on Page 1 under 'Next Inspection'.
Inspection must precede testing and must normally be done with that part of the installation under inspection disconnected from the supply.
Further investigation revealed, that just under the floor at each end, the 10 mm2 conductor had been terminated in a connector block and the join between the two, about 8 m, had been wired with a 1 mm2 conductor.
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Amendment No. The minimum size of trunking is that size having a factor equal to or greater than the sum of the cable factors.
Association of Manufacturers of Domestic Appliances S. The information and values given in this appendix are intended only for guidance because it is impossible to specify the appropriate allowances for diversity for every type of installation and such allowances call for special knowledge and experience.
Guidance on the preparation of technical manuals is given in BS Specification for technical manuals and BS Building and civil engineering.
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