Extracts from British Standards Nos BS 1192

(1984–2000); BS 3939 (1986–1991) and BS 1635

(1990) are reproduced here with the permission of BSI

under license number 2004DH0029. British Standards

can be obtained from BSI Customer Services, 389

Chiswick High Road, London W4 4AL, Tel 44 (0)20

8996 9001, email: [email protected]

The symbols for use in these fields are covered in a

number of publications, primarily:

BS 1192: 1984–2000 Construction drawing practice

(Pts I and II)

BS3939: 1986–1991 Graphical symbols for electrical

power, telecommunications and electrics diagrams

BS 1635: 1990 Graphical symbols and abbreviations for

fire protection drawings

The symbols shown represent a small selection of those

available. They have been restricted to those which the

architect is most likely to encounter when dealing with

the type of small-scale work in which an electrical

consultant has not been appointed.

Certain symbols are differently represented in different

Standards. Furthermore, other symbols have acquired a

use in practice but do not appear in any laid down

Standard. In such cases the most common usage has

been given.

Reference should be made to the British Standards

listed above for more comprehensive lists of symbols.

Main control or intake

Distribution board

Earth

Consumer’s earthing terminal

Single pole one way switch

Electrical,

telecommunications

and fire protection

symbols

4

APPENDIX

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