Heavy-current system and heavy-current distributor used in building

A heavy-current system, and a heavy-current distributor used in a building are provided; the heavy-current system comprises a plurality of first distributors respectively installed in different positions, and a plurality of electric equipments; each of the first distributors includes a PCB board, a power transmission copper bar, an inlet port, and a plurality of groups of connection ports; wherein the power transmission copper bar, the inlet port and the connection ports are arranged on the PCB board; the inlet port and the connection ports are further electrically connected to each other via the power transmission copper bar; the inlet port of the first distributor is connected to the distribution box via power transmission line, and the electric equipments are respectively connected to the inlet port of one of the first distributors via the power transmission lines.