The Dictionary of Electrical Installation Work
eBook - ePub

The Dictionary of Electrical Installation Work

  1. 6 pages
  2. English
  3. ePUB (mobile friendly)
  4. Available on iOS & Android
eBook - ePub

The Dictionary of Electrical Installation Work

Book details
Book preview
Table of contents
Citations

About This Book

• Diagrams and illustrations are included in colour to make explanations easier to understand
• Ideal for students taking City and Guilds 2357 and 2391 as a companion volume to their textbooks
• Up-to-date for the 17th Edition IEE Wiring Regulations

Get instant access to all the words, phrases and abbreviations you are likely to come across while studying or working in the electrical industry. Entries are described in detail with diagrams and illustrations used to explain complicated topics.

This is an indispensable resource for students enrolled in NVQ Technical Certificates, City and Guilds Diplomas and for many others working and studying in the construction industry, making it an ideal companion to any electrical installations textbook.

Brian Scaddan has many years of experience in the electrical industry and is a bestselling author of electrical installations textbooks.

Brian Scaddan, I Eng, MIET, is a consultant for and an Honorary Member of City and Guilds. He has over 35 years' experience in Further Education and training. He is Director of Brian Scaddan Associates Ltd, an approved City and Guilds and NICEIC training centre offering courses on all aspects of Electrical Installation Contracting including the City and Guilds 2382, 2391, 2392, 2377 series and NICEIC DISQ courses. He is also a leading author of books on electrical installation.

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Appendix
GENERAL FORMULAE AND INFORMATION
Multiples of units
Prefix Value Symbol
tera 1012 T
giga 109 G
mega 106 M
kilo 103 k
centi 10−2 c
milli 10−3 m
micro 10−6 μ
nano 10−9 n
pico 10−12 P
Typical examples
1 million ohms = 1 megohm = 1MΩ
1 thousand watts = 1 kilowatt = 1kW
1 thousandth of an ampere = 1 milliampere = 1mA
1 millionth of a volt = 1 microvolt = 1μV
1 million millionth of a farad = 1 picofarad = 1pF
Note
For example: 10–6 may be shown as
images
and
images
may be shown as 106
So x × 106 may be shown as
images
and vice versa and
images
may be shown as x × 10−6 and vice versa
Systeme International (SI units)
The base units are as follows.
Length metre m
Mass kilogramme kg
Time second s
Electric current ampere A
Luminous intensity candela cd
Thermodynamic temperature kelvin K
Amount of substance mole mol
Length
The units in general use and their conversions are as follows.
Millimetre (mm);
centimetre (cm);
metre (m);
kilometre (km).
To obtain multiply by
mm cm
M
Km
101
103
106
Cmmm
m
km
10−1
102
105
M mm
cm
km
10−3
10−2
103
Kmmm
cm
m
10−6
10−5
10−3
Area
square ...

Table of contents

  1. Cover
  2. Title
  3. Copyright
  4. Introduction
  5. A
  6. B
  7. C
  8. D
  9. E
  10. F
  11. G
  12. H
  13. I
  14. J
  15. K
  16. L
  17. M
  18. N
  19. O
  20. P
  21. R
  22. S
  23. T
  24. U
  25. V
  26. W
  27. Appendix