9 Apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity, and other forms of energy including mechanical energy, namely, electrical conductors, electrical controllers; electric cables, electricity conduits, transformers, electrical transformers, electric relays; electrical transformers, electric switches, circuit breakers, fuses, overvoltage protectors; reactive power compensators; capacitors, electric coils, converters and electric inverters; semiconductors; electric meters; electric batteries and accumulators; fuel cells; cryostats; charging devices, namely, battery chargers; electronic components in the nature of protection relays and electric contactors; printed circuits; electron tubes; electrical conductors; electric communication and power wires and cables; coupling sleeves and sheaths for electric cables, identity threads and identification sheaths for electric wires; welding equipment, namely, laser welding devices, welding torches, helmets and masks; cathodic protection equipment, namely, surge protectors mask, helmet, suit, glasses; electrical conduits; electric control panels for use in decentralized power stations and sub-stations; high-voltage equipment, namely, cutout and isolating switches, lightning protection systems, comprised of lightning arrestors and rods, current measure dividers, namely, optoelectronic for inside and outside boxes or boxes within metallic cases; medium and low-voltage equipment, namely, electronic control panels and transformer stations, electrical switches, isolating power switches, electrical contactors, lightning protection systems comprised of lightning arrestors and rods, cutout switches, fuses; transformers, electrical plugs, sockets and other contacts in the nature of electric diodes; high frequency switches; junction boxes; voltage dividers, namely, voltage regulators; static and rotary converters; energy converters; electrical resistors; rheostats; magnets; prefabricated piping, namely, electricity conduits, electric conductors made of all types of metal; scales; thermostats; relays, namely, remote control relays, electric relays; equipment and apparatus for electrical energy conversion, namely, transformers, converters, alternators