Contents

Chapter 1  EAL Unit QELTK3/002: Understand environmental legislation, working practices and the principles of environmental technology systems

Chapter 2  EAL Unit QELTK3/003: Understanding the practices and procedures for overseeing and organizing the work environment (electrical installation)

Chapter 3  EAL Unit ELEC3/04a: Electrical installation planning, preparing and designing

Chapter 4  EAL Unit QELTK3/006: Understanding the principles, practices and legislation for the inspection, testing, commissioning and certification of electrotechnical systems

Chapter 5  EAL Unit QELTK3/007: Understanding the principles, practices and legislation for diagnosing and correcting electrical faults in electro technical systems and equipment in buildings, structures and the environment

Chapter 6  EAL Unit ELEC3/008: Principles of electrical science

Answers to ‘Test your knowledge’ questions

Answers to classroom activities

Answers to design activities and design exercise

Appendix A: Abbreviations, symbols and codes

Appendix B: Formulas for electrical principles

Glossary of terms

Index