Centralized electrical power supplies; electrical power distribution networks for centralized electrical power supplies; uninterruptible power networks; centralized electrical power supplies operable, within a building, to generate and supply a voltage of frequency distinctly different from that of the AC voltage normally present on an ordinary electric utility power line; centralized uninterruptible power networks, each operable to distribute electrical power to each of plural different loads disposed at different locations within a building; receptacles connected by way of an electrical power distribution network with a centralized source of voltage of frequency distinctly different from that of the AC voltage normally present on an ordinary electrical utility power line; electrical loads adapted to be powered from or by a voltage provided by a central source of voltage of frequency distinctly different from that of the AC voltage on an ordinary electrical utility power line; distribution networks operative, within a building, to supply electrical power from a centralized power supply to plural electrical loads disposed at different locations within the building; fire-initiation-safe electric power supplies and networks operative, within a building, to distribute electrical power, electronic and optical data and signals to plural locations within the building

Lighting systems and products, namely, gas discharge lamps, arc discharge lamps, incandescent lamps and any other types of electrically and optically actuated light emitting means; lighting fixtures and luminaires namely, gas discharge lamps, arc discharge lamps, incandescent lamps, electrically actuated light emitting devices and optically acuated light emitting devices; electrical power distribution networks characterized as being able to distribute power, data and voice transmissions alone or combined