Publications to accompany inspection and testing

• About the Inspection & Testing course
  • 2391-50 Initial Verification
  • 2391-51 Periodic Inspection and Testing
  • 2391-52 Inspection and Testing
• Legislation
  • Legal requirements
  • Regulations
  • Guidance Documents
• Design
  • Design requirements
  • Cable installation
• Electricity Supply
  • Supply Consumer Units
  • PME (Protective multiple earthing - TN­C­S)
  • TN-S (Cable sheathed earth)
  • TT (No earth provided)
  • Earthing and Bonding
  • Labelling
• Circuit Specifications
  • Circuits
  • Routing of cables in safe zones or protection against mechanical damage
• Special Locations and IP Ratings
  • Domestic special locations
  • Zones
  • Other domestic locations
  • IP codes
• Safety and Risk Assessment
  • Safety policy and risk assessment
  • How to manage risk
  • Pre­-work survey
  • Isolation
• Initial Verification and Inspection
  • Chapter 64 - Initial Verification
  • Detailed initial verification process
  • Connection and identification of conductors
  • Inspection and testing forms for initial verification
• Testing Methodology
  • Introduction to testing
  • List of Tests
  • Order of tests
  • Test instruments
• Dead Tests
  • Dead Tests
  • Continuity Tests
  • Ring Circuit Continuity
  • Step 1: Continuity of Ring Final Circuit Conductors
  • Step 2: Continuity of Ring Final Circuit Conductors
  • Step 3: Continuity of Ring Final Circuit Conductors
  • Test your understanding
  • Insulation Resistance
  • Insulation Resistance – Single Phase
  • Insulation Resistance on individual circuits
  • Insulation resistance of SELV Circuits
  • Polarity
• Live Tests
  • Earth Loop Impedance Test (Ze)
  • Earth Loop Impedance Test (Zs)
  • Prospective Fault Current Testing
  • RCD test
  • Electrode Test
• Publications to accompany inspection and testing
• Exam Practice - Initial Verification
  • Exam Practice - 2391-50
  • Exam Practice 2391-50: Scenario 103
  • Exam Practice 2391-50: Scenario 104
  • Exam Practice 2391-50: Scenario 109
• Exam Practice - Periodic Inspection
  • Exam Practice - 2391-51
  • Exam Practice 2391-51: Scenario 105
  • Exam Practice 2391-51: Scenario 108
  • Exam Practice 2391-51: Scenario 110
• Exam Practice - 2391-52 Multiple Choice
  • Exam Practice - 2391-52
  • 2391 Short Answer Questions - Practice Test
• Appendix - Electrical Theory and Calculations
  • Other factors
  • Resistance
  • Zs and the use of Ohm's Triangle
• Appendix - IP Ratings
• Appendix - Notifiable work in England and Wales