Guidance Note 1

This Guidance Note enlarges upon and simplifies relevant requirements of BS 7671:2008. It includes detailed coverage of External Influences and factors affecting the installation of cables and equipment. It discusses various types of protective devices in easy to read text and includes illustrations in full colour.

ISBN	0863418554	DEWEY edition	DC22
ISBN13	9780863418556 (What's this?)	Pages	208
Publisher	Institution of Electrical Engineers	Volumes	001
Imprint	Institution of Electrical Engineers	Published in	Stevenage
Format	Paperback	Previous ISBN	9780852969892
Publication date	16 Feb 2009	Height (mm)	297
Library of Congress	TK2896	Width (mm)	210
DEWEY	621.3071	Academic level	Professional / Scholarly

Ch. 1	General requirements	15
Ch. 2	Selection and erection of equipment	21
Ch. 3	Protection against overcurrent, electric shock and overvoltage	35
Ch. 4	External influences	59
Ch. 5	Installation of cables	69
Ch. 6	Sizing of cables	81
Ch. 7	Other influences	85
Ch. 8	Installation of equipment	93
App. A	Cable capacities of conduit and trunking	113
App. B	Degrees of protection provided by enclosures	121
App. C	Standard circuit arrangements and the provision of socket-outlets	127
App. D	Limitation of earth fault loop impedance for compliance with Regulation 543.1.1	137
App. E	Resistance and impedance of copper and aluminium conductors under fault conditions	153
App. F	Selection and erection of wiring systems	161
App. G	Notes on methods of support for cables, conductors and wiring systems	169
App. H	Maximum demand and diversity	177
App. I	Minimum separating distances between electricity supply cables and telecommunications or control cables	181
App. J	Permitted protective conductor currents	185
App. K	Standard symbols, units and graphical symbols for general electrical purposes	187
App. L	Addresses of associated bodies and industry contacts	193
	Index	199

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