18th Edition IET Wiring Regulations Wiring Systems and Fault Finding for Installation Electricians 7th Edition 2019 (PDF)

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About the book

Edition: 7th Edition 2019
Pages: 122
Authors: Brian Scaddan
Publisher: Routledge
Language: English

Content

PREFACE
CHAPTER 1 Diagrams
BS EN 60617 Symbols
Diagrams
Circuit Convention
Constructing and Interpreting Circuit Diagrams
Heating and Ventilation System
Relay Logic
Programmable Logic Controllers
Drawing Exercises
CHAPTER 3 Testing and Test Instruments
Measurement of Electrical Quantities
Selection of Test Instruments
Approved Test Lamps and Voltage Indicators
Accidental RCD Operation
Calibration, Zeroing and Care of Instruments
Continuity of Protective Conductors
Continuity of Ring Final Circuit Conductors
Insulation Resistance
Polarity
Earth Fault Loop Impedance
Earth Electrode Resistance
Functional Testing
Prospective Fault Current
CHAPTER 4 Fault Finding
Signs and Symptoms
Ring and Radial Socket Outlet Circuits
Radial Circuits Feeding Fixed Equipment
Cable Fault Location
Emergency Lighting
Security and Fire Alarm Systems
Call Systems
Central Heating Systems
Motor Starter Circuits
Solar PV Systems
Conclusion and a Cautionary Tale
APPENDIX 1 Shock Risk and Safe Isolation
Electric Shock
Safe Isolation of Supplies
APPENDIX 2 Basic Electrical Theory
Electrical Quantities and Units
Power, Current and Voltage
APPENDIX 3 Solutions
Quiz Controller (Chapter 1)
INDEX

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