of the country, a arge number of unskilled workers have taken up
the public. At present, electrica househod wiring s designed and
by these workers pose a grave risk not only to the occupants of the
competency on the subject is questionable. In the bygone days, only
Committee of the IESL first decided on the need for a publication on
that the then Eectrical and Electronic Engineering Sectional
update their knowledge so that they carry out their work according to
this subject. This was considering the fact that many who presently
work as electricians. The sub standard designs and installatons done
available to educate and gude those who are interested to learn and
houses. To make matters worse, there is very ittle reading material
Information Seres that the Institution of Engineers, Sri Lanka
overlook certain important factors that mostly affect the safety of
undertake residential wring and electrcal installaton work often
the eectricans who regstered themseves wth the Local Authorities
houses concerned but also to those lving n the neighboured of those
installed generally by unqualified “Electricians” whose knowedge and
were authorized to undertake household wiring. However, this rule is
not being impemented any more. With the wide scale electrificaton
(IESL) has decided to publish. It was during the Session 2003/ 2004
laid out standards.
with no complicated mathematical calculations or drawings,
that was being folowed at the time of writing it although it is the
Eng. Ranil Senaratne for their valuable contributions in making the
Author Eng. J Malikarachchi, the Past Presidents, Eng. D. G.
Finally we take this opportunity to thank Eng. Ranjith
in edting the publication, Eng. (Prof) J R Lucas, Eng. M Zubair and
one needs to know on the subject. The Monograph is based on the
Gunawardana, the Immediate Past President, who as the then
17th Edition that is now in practice. This however does not make the
it is comprehensive enough to cover al fundamenta aspects that
document more comprehensive. Finally we thank the Members of the
We will aso be shortly arranging for the translation of the book
in to Sinhala so as to benefit a larger cross section of readers.
Senadhpathi and Eng. B. R. O. Fernando who assisted the Author
Library, Publications and Publicity Committee (LPP&C) of the current
Chairman of the Electrical and Electronic Sectiona Committee durng
the Session 2003/2004 realised the need for this publication, the
session for their contributions towards makng this monograph a
16th Edition of the IEE Wiring Reguations which was the standard
contents outdated in any way.
reality.
CONTENTS
- Final circuit 1
- Current carrying capacity 2
- Control of suppy 3
- Earth faults 4
- Relationship between voltage and current 5
- Socket outlet 6
- Basics of electrical wiring 7
- Earth fault protection 8
- Crcuit breaker 9
- Resstance area of earth electrode 10
- Electric circuits 11
- Waveform 12
- Switching 13
- Insulator 14
- Resdual current circut breaker 15
- Voltage and current ratng of equpment 16
- Distribution inside the house 17
- Cables 18
- Distribution board 19
- Introduction 20
- Emergency disconnection 21
- Addtional protecton for cabes 22
- Switches 23
- Stranding of conductors 24
- Earth leakage circuit breakers 25
- Earth loop impedance 26
- Resdual current devce 27
- Conductor 28
- The basic circuit 29
- Isolator 30
- Overcurrent 31
- Scope 32
- Prevention of fires and accident 33
- Fuse 34
- Voltage operated earth leakage crcuit breakers 35
- Protection 36
- Direct and indirect contacts 37
- Types of availabe a. c. supplies 38
- Flexible cords 39
- Faults – short circuts 40
- Eectrical point 41
- Fixed wiring 42
- Etc.
