The Ontario Electrical Safety Codebook is introduced in this course. Details of proper electrical installations as required by the inspection department must be studied and interpreted to ensure proper electrical installation procedures are followed. The ability to visualize an accurate three-dimensional picture requires knowledge of blueprint reading. Since all skilled trades use a common set of plans the student must be able to interpret the lines and symbols that refer to the electrical installation and also those used by other construction trades. The student must also be able to understand the makeup of the building and the type of construction materials that are to be used.