Transformers; electric transformers; electrical transformers; reactors, namely, electric current-limiting reactors, electric neutral-earthing reactors and electric shunt reactors; instrument transformers; electric cables; electric wires; electrical switches; integral unit substation, namely, a unit used for supplying electricity which consists of high voltage switch units with input wires, transformer and low voltage switch units with output wires, circuit breakers; electric relays; electrical distribution boxes; electrical distribution consoles; commutators; electrical wire connectors; electrical distribution boards; voltage regulators; sleeves for protecting cable trunk, namely, junction sleeves for electric cables; electrical inverters; connectors for electric cables; connectors for electric power; high and low voltage switch boards; magnetic wires, namely, magnetic telephone wires; identification threads for electric wires; identification sheaths for electric wires; electric telegraph wires; insulated electric copper wire; electric telephone wires; coaxial cables; electrical terminals, namely, electrical connections; sheaths for power cables; electrically heated sockets; electricity conduits; electrical reducers, namely, electrical controllers; electrical ducts; electric couplings; control panels for electricity; sensors, namely, pressure sensors, temperature sensors, timing sensors; stabilized voltage power supply