| 摘要 |
PROBLEM TO BE SOLVED: To provide an intra-building power distribution system and laying method for the system, that supply power to electric facilities distributed to a plurality of private rooms having the same layout.SOLUTION: An intra-building power distribution system comprises: a first power supply system branch line that branches from a trunk line of a first power supply system for supplying commercial power supply, and distributes AC power to a first power distribution board in each private room; a second power supply system branch line that branches from a trunk line of a second power supply system for supplying DC power obtained by conversion of an AC-DC exchanger for converting received commercial power supply to DC power having a predetermined voltage, and distributes DC power to a first power distribution board in each private room; first indoor wiring for distributing AC power from a first power distribution board in each private room to a plurality of AC power supply outlets installed in the private room; and second indoor wiring for distributing DC power from a first power distribution board in each private room to a plurality of DC power apparatuses installed in the private room. At least the second indoor wiring is unitized wiring having the same configuration having a plurality of pieces of predetermined wiring that are unitized previously before being laid in each private room in the building.SELECTED DRAWING: Figure 3 |
