EDMONTON, CANADA - MARCH 22: A close-up view of an electric pole featuring primary and neutral wires with insulators, seen in Edmonton, Alberta, Canada, on March 22, 2025. (Photo by Artur Widak/NurPhoto)

Connection Cost Efficiency Electric Electricity Energy Grid Industrial Infrastructure Maintenance Power Powerline Primary Service Structure Supply System Technology Transmission Urban Voltage cables circuit conductors construction current distribution electrical-grid engineering equipment grid-system hardware high-voltage infrastructure-development installation insulators mechanics network neutral overhead pole power-supply reliability safety substations support tariffs transformers transmission-lines urban-planning utility wires Edmonton Canada March 22 2025 electric pole primary wires neutral wires insulators close-up view Alberta Artur Widak NurPhoto electricity infrastructure power lines utility pole electrical components energy distribution power grid electrical engineering transmission lines electrical safety urban infrastructure electrical systems pole hardware conductor wires overhead lines electrical utility power supply electrical network utility infrastructure electrical cables distribution pole.