Electrical substation safety involves controlling access, using PPE, following lockout/tagout (LOTO) procedures, and maintaining proper grounding to prevent electrocution and arc flash incidents. Pick your state and browse state-approved Electrician CE courses — complete your continuing education hours online, with instant reporting. The primary hazards in electrical substations. In addition, workers in other industries have experienced electrocution injuries and fatalities from distribution lines, most notably in the telephone and cable industries (see Other Hazards). Electric power is generated from power plants fueled by Nuclear, Gas, Coal, Hydro, Wind, and Solar power sources. A feeder usually begins with a feeder breaker at the distribution substation. Many feeders leave substation in a concrete ducts and are routed to a nearby pole. Specifically, it is concerned with: Electrically powered hazardous installations such as large-scale chemical manufacturing processes should be.