High Tension typically refers to the voltage level used in electrical power transmission and distribution systems. The power lines carry electricity at voltages significantly higher than those used in standard household electrical systems. In these systems, electricity is transmitted over long distances from power plants to substations and then distributed to consumers. Furthermore, the High Tension is typically supported by tall towers or poles and are often easily identifiable by their large size and the presence of insulators to prevent electrical discharge to the ground or nearby objects.