Electric/electronic connecting and installing apparatus and systems composed thereof as well as electronic components and modules (as far as included in this class), namely electric connecting terminals and connectors, electronic modules including their parts, analog signal converters; electric fitting systems being composed of flat cables and round cables as well as cable forms for transmitting energy and data; installation components for electric apparatus (as far as included in this class), namely protective housings with and without integrated electric distributors and electronic couplings; electric control and supply units (as far as included in this class), namely components for current supply, repeaters, gateways, I/Os, bus and sensor systems (as far as included in this class); protective and coupling devices for energy distribution, namely fuses, switches, switching devices, relays and modules for over voltage protection