Electrical Theory & Maintenance Level 3

Modules

Unit 1: Regulation, Safe Practice and Effective Working

• Introduction
• Legal responsibilities and regulations
• Intrinsic safety
• Accidents at work
• Electrical safety and isolation
• Types of technical information and documentation
• Overview of roles and responsibilities

Unit 2: Basic Electrical Principles

• Atomic structure
• Electricity
• Current
• Units of measurement in more detail
• Ohm’s Law
• Power
• Resistance
• Capacitance and capacitors
• Circuits
• Cables
• Safe electrical installations and protection

Unit 3: Electrical Systems Documentation, Records and Certificates

• Working safely
• Risk assessment
• Technical information: types and uses
• Removal of waste

Unit 4: Basic Transmission and Distribution Systems

• Power generation
• Transformers
• Substations
• Alternators
• Balancing loads
• Resistance
• Overcurrent

Unit 5: Basic Electrical Technologies 1

• Building regulations
• Power systems
• Types of plugs and sockets
• Telecommunications (voice and data systems)
• Structured cabling

Unit 6: Basic Electrical Technologies 2: Installation and Wiring

• Supply systems
• Lighting and power circuits
• Junction boxes
• Domestic contexts
• Sizing cable
• Enclosures

You must successfully complete a series of activities and assessments. Once all assessments and activities have been completed satisfactorily, you will then be awarded your certificate. The good news is, there is no final exam.