This study book covers the following topics on installation and Commissioning: supply, overcurrent and earth fault protection, the electrical information required, selection of conductor size, selection of cable and protective conductors, preparting for commissioning, testing, alarm systems, and fault location. Stage 1 Design also includes a circuit design project. Circuit 1 has been completed to aid students in completing circuits 2, 3 and 4 at the relevant stages in the book. Self-assessment questions and an end test are included so that progress can be monitored. The intermediate Course books cover the knowledge requirements for the City ߢGuilds of London Institute 2360 Electrical Installation Scheme, Part 2 and NVQ level 3. This study book covers the following topics on installation and Commissioning: supply, overcurrent and earth fault protection, the electrical information required, selection of conductor size, selection of cable and protective conductors, preparting for commissioning, testing, alarm systems, and fault location. Stage 1 Design also includes a circuit design project. Circuit 1 has been completed to aid students in completing circuits 2, 3 and 4 at the relevant stages in the book. Self-assessment questions and an end test are included so that progress can be monitored. The intermediate Course books cover the knowledge requirements for the City ߢGuilds of London Institute 2360 Electrical Installation Scheme, Part 2 and NVQ level 3.