Table of contents Chapter Chapter I. The basic concepts Chapter II. Safety analysis of electrical networks Chapter III. Protection methods Chapter IV. Electromagnetic effects and precautions against static electricity Chapter V. Lightning protection system References Chapter I. The basic concepts Electric Define Classify Voltage Wattage Electric circuit Basic units Commonly used rules Ground current phenomenon An explanation of voltage The effects of electric current on the human body The factors related to electrical accidents Classifying enterprises based on electrical safety perspectives. Chapter II. Safety analysis of electrical networks Concept Common electrical network diagrams Analyzing safety in electrical networks Chapter III. Protection methods Concept Overcurrent protection for a reservoir capacitor Electric shock protection Chapter IV. Electromagnetic effects and precautions against static electricity Electric field and precautionary measures Static electricity and precautionary measures Chapter V. Lightning protection system Concept Direct lightning strike protection Inductive lightning strike protection