By Geoffrey Stokes
This e-book offers a radical, useful advisor to the Wiring rules BS 7671 : 2001. It positive factors in particular:
- worked layout examples
- extensive tabular fabric and checklists
- numerous illustrations
- particular recognition to the topics of inspection, trying out, verification, certification and reporting
- NICEIC specimen certificate and different forms
- guidance on specialized installations
The 3rd variation has been up to date to take account of the 2001 amendments to the Wiring rules, together with revisions on:
- protection opposed to overcurrent
- isolation and switching
- zoning requisites for destinations containing a bathtub or shower
- construction website installations
- highway energy offers and highway furnishings and kit
Read or Download A Practical Guide to the Wiring Regulations PDF
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Additional resources for A Practical Guide to the Wiring Regulations
Includes public houses, clubs, dance halls and church halls, etc. Applies to installations in Scotland in places of public entertainment. Includes theatres, places for dancing and music, etc. Applies to installations in Scotland of HV luminous tube signs. See also BS 559 Specification for electric signs and high-voltage luminous-discharge-tube installations. Subject to certain exemptions, applies to installations in Scotland. Compliance with the Wiring Regulations is deemed to afford compliance with the statutory requirements.
The phrase `so far as is reasonably practical' is used in a number of Regulations and where compliance with protective measures stipulated in Parts 3 to 7 is achieved, the broad based fundamental principles for safety in Chapter 13 are likely to be satisfied. Where alternative measures are used, the designer would need to be able to argue that these provide for no less a degree of safety. The whole of Part 1 of BS 7671: 2001 has been fully revised and expanded, and its title has been modified. 1.
Diversity for conventional circuits will depend on the type of premises and in Table H2 of the IEE Guidance Note Selection and erection these are given as: . domestic premises ± households including flats: 100% of largest circuit plus 40% of remainder; . commercial premises ± shops, offices, stores and other business premises: 100% of largest circuit plus 50% of remainder; . commercial premises ± guest houses, small hotels, boarding houses: 100% of largest circuit plus 50% of remainder. By way of example, three conventional circuits in a shop, two rated at 32 A (ring final circuits) and two rated at 20 A (radial circuits) are fed from a common distribution board.
A Practical Guide to the Wiring Regulations by Geoffrey Stokes