Introduction to Electrical Installation Work: Compulsory Units for the 2330 Certificate in Electrotechnical Technology Level 2 (Installation Route)

Introduction to Electrical Installation Work: Compulsory Units for the 2330 Certificate in Electrotechnical Technology Level 2 (Installation Route)

by Trevor Linsley



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Introduction to Electrical Installation Work: Compulsory Units for the 2330 Certificate in Electrotechnical Technology Level 2 (Installation Route) by Trevor Linsley

A first book of electrical installation practice – all the key concepts and practical know-how, without pages of theory and mathematics

Introduction to Electrical Installation Work provides:
• Sound basic knowledge of electrical theory and practice without any difficult mathematics or complicated theory
• Real-world examples and calculations – the types of problems and situations that are actually encountered on site
• A highly visual approach using full colour cartoons and illustrations
• An array of learning features designed to highlight the key concepts and make them easily understandable
• End of chapter questions to prepare students for assessments
• Content fully in line with the latest regulations, including: IEE Wiring Regulations (BS7671:2001, incorporating amendments 1:2002 and 2:2004); Part P of the Building Regulations 2005; and the Harmonised Fixed Cable Colours 2006

Introduction to Electrical Installation Work follows the unit structure of the City & Guilds 2330 Level 2 Certificate in Electrotechnical Technology (installation route), covering the three core units of the scheme, along with the Occupational Unit 4 – Installation (Buildings & Structures). But this book will prove a vital purchase for any student on first year electrical courses as well as for those in related trades in the construction industry.

Formerly Senior Lecturer at Blackpool & Fylde College, as well as Head of the NVQ Assessment Centre, Trevor Linsley is a best-selling author in electrical installation.

Product Details

ISBN-13: 9780750681148
Publisher: Taylor & Francis
Publication date: 02/07/2007
Pages: 288
Product dimensions: 7.40(w) x 9.60(h) x 0.90(d)

Table of Contents

Preface     xiii
Working Effectively and Safely in an Electrical Environment     1
Laws and Safety Regulations     2
Statutory Laws     4
The Health & Safety at Work Act 1974     4
Electricity at Work Regulations 1989     5
The Electricity Safety, Quality and Continuity Regulations 2002     5
The Management of Health & Safety at Work Regulations 1999     5
Provision and Use of Work Equipment Regulations 1998     6
COSHH Regulations (2002)     6
Personal Protective Equipment Regulations (PPE)     6
Non-Statutory Regulations     8
The IEE Wiring Regulations, the requirements for Electrical Installations (BS 7671)     8
Health and Safety Responsibilities     9
Safety Signs     10
Warning Signs (these give safety information)     11
Advisory Signs (these also give safety information)     11
Mandatory Signs (these are 'MUST DO' signs)     12
Prohibition Signs (these are 'Must Not Do' signs)     13
Accident and Emergency Procedures     13
Emergency Procedures - Fire Control     14
Emergency Procedures - Electric Shock     17
Emergency Procedures - First Aid     19
Emergency Procedures - Electrical Isolation and Lock Off     23
Organisations having Electrotechnical Activities     27
Services provided by the Electrotechnical Industry     32
Lighting and power installations     32
Emergency lighting and security systems     32
Building management and control systems     32
Instrumentation     33
Electrical maintenance     33
Live cable jointing     33
Highway electrical systems     33
Electrical panel building     33
Electrical machine drive installations     34
Consumer and commercial electronics     34
Roles and Responsibilities of Workers in the Electrotechnical Industry     34
Design Engineer     35
Estimator/Cost Engineer     35
Contracts Manager     35
Project Manager     35
Service Manager     36
Technician     36
Supervisor/Foreman     36
Operative     37
Mechanic/Fitter     38
Maintenance Manager/Engineer     38
Professional Bodies supporting Electrotechnical Organisations     39
The IET (The Institute of Engineering and Technology)      40
The ECA (Electrical Contractors Association)     41
The National Inspection Council for Electrical Installation Contracting (NICEIC)     41
Trade Unions     42
Communications and Technical Information     43
Site Plans or Layout Drawings     44
As-fitted Drawings     47
Detail Drawings and Assembly Drawings     47
Location Drawings     47
Distribution Cable Route Plans     48
Block Diagrams     48
Wiring Diagrams     49
Circuit Diagrams     50
Schematic Diagrams     50
Freehand Working Diagrams     51
The Positional Reference System     52
Assessment Questions     54
Multiple Choice Assessment Questions     56
Basic Principles of Electrotechnology     63
Basic Units used in Electrotechnology     64
Electrical Theory     66
Electron Flow or Electric Current     68
Electrical Cables     68
Three Effects of an Electric Current     69
Ohm's Law     71
Resistivity     72
Series Connected Resistors     74
Parallel Connected Resistors     75
Component Parts of an Electrical Circuit     78
Connecting Voltmeters and Ammeters     80
Magnetic Fields and Flux Patterns     80
Basic Mechanics and Machines     82
Power     84
Efficiency     86
The Simple Alternator     88
Electrical Transformers     89
Electrical Power on the National Grid     91
Safe Electrical Systems     93
Principles of Electric Shock Protection     94
Earthed Equipotential Bonding Coupled with Automatic Disconnection of the Supply     95
Electrical Tools and Equipment     96
Safe Working Practice     100
Assessment Questions     105
Multiple Choice Assessment Questions     108
Health and Safety Application and Electrical Principles     119
Health and Safety Applications     120
Avoiding Accidents in the Workplace     120
Risk Assessment, the Process     123
Safe Manual Handling     126
Safe Working above Ground Level     127
Electrical Installation Principles     137
A.C. Theory     137
Electrical Machines - Basic Operating Principles     145
D.C. Motors     148
A.C. Motors     150
Transformers     152
Types of Transformer     154
Generation, Transmission and Distribution of Electricity     157
Balancing single phase loads     160
Protecting Electrical Equipment, Circuits and People     161
Overcurrent Protection     164
Assessment Questions     171
Multiple Choice Assessment Questions     173
Installation (Building and Structures)     185
Regulations and Responsibilities     186
Electricity at Work Regulations and Codes of Practice     186
IEE Regulations (BS 7671)     188
On-site Communications     189
Time Sheets     190
Job Sheets     190
Daywork Sheets     192
Delivery Notes     194
Reports     194
Electricity Supply Systems     195
Cable Sheath Earth Supplies (TN-S system)     196
Protective Multiple Earthing Supplies (TN-C-S system)     196
No Earth Provided Supplies (TT System)     198
Wiring and Lighting Circuits     199
Fixing Positions of Switches and Sockets     201
Socket Outlet Circuits     203
Radial Circuits      203
Ring Circuits     205
Socket Outlet Numbers     205
Cables and Enclosures     207
New Wiring Colours     208
Size of Conductor     210
Wiring Systems and Enclosures     211
PVC Insulated and Sheathed Cable Installations     211
Conduit Installations     215
Steel Conduit     215
PVC Conduit     215
Flexible Conduit     216
Trunking Installations     217
Metallic Trunking     217
Cable Tray Installations     218
PVC/SWA Installations     220
Special Installations     220
Bathroom Installations     221
Zones for Bath and Shower Rooms     222
Supplementary Bonding     224
Temporary Installations (Construction Sites)     226
Agricultural and Horticultural Installations     228
Flammable and Explosive Installations     230
Support and Fixing Methods for Electrical Equipment     233
Cable Clips     234
Plastic Plugs     235
Expansion Bolts     236
Spring Toggle Bolts     237
Girder Fixings     237
Electrical Installation, Inspection and Testing     239
Continuity of Protective Conductors (CPCs)     240
Continuity of Ring Final Circuit Conductors     240
Insulation Resistance     241
Polarity     241
Safe Working Environment     243
Correct Disposal of Waste Material     244
Assessment Questions     247
Multiple Choice Assessment Questions     249
Solutions to Assessment Questions     261
Index     267

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