As for the equipment inside, there are certain differences: the first level distribution cabinet generally has isolation switches, circuit breakers, leakage protectors, etc. 4kV to the distribution cabinet (primary distribution cabinet), then the outgoing line is led to the distribution box (secondary distribution box) in each building, and finally the outgoing line is led to the distribution cabinet. When electricity is required to be distributed in one or more than one storey building, in this situation mostly a separate energy meter is installed on the ground floor for each floor. The supply wires from every energy meter are ejected and carried to the distribution fuse board of every floor. there are multiple occupied levels and a basement where the electrical equipment is stored. The house panel is in the basement and all loads (receptacles, lights etc. ) on first and second floors will have to be fed by the house panel. Let's make an example for clarity: A newly constructed residential area introduces a 10kV power line to a substation. From the transformer's low-voltage side (0. Whether in a home or an industrial facility, this box keeps your electrical setup organized, functional, and efficient.