Secondary power supply box and tertiary distribution box
Primary: The main distribution panel, supplies power from the transformer. Let's make an example for clarity: A newly constructed residential area introduces a 10kV power line to a substation. These boxes feature bottom entry and exit cables, front-opening doors, and main busbars connected with copper strips for optimal contact. Many feeders leave substation in a concrete ducts and are routed to a nearby pole.
Read More