| 摘要 |
PURPOSE:To make an alteration to a circuit easily or to make a maintenance work easily by decentralizing the wiring which centralize on a distribution board. CONSTITUTION:Distribution board devices 16, 16,... are buried in various parts of a ceiling C and are fed with electricity from a main distribution board 13. Electricity is distributed to lighting equipments 17, 17,... from the distribution board devices 16, 16,.... About the distribution board devices 16, 16,..., an incorporated panel 23 can be led out into a room from a case 19. Since a distribution board 26 is installed on the incorporated panel 23, an easy alteration of a circuit or an easy maintenance work is available. |
