| 摘要 |
<p>PURPOSE:To facilitate under floor electric wiring work and connecting work with floor receptacle at the time of extension or modification of layout of indoor floor receptacles. CONSTITUTION:A double floor unit board equipped with a receptacle, having or incorporating a load connector connecting part on the upper side and a power supply connector connecting part on the lower side, is arranged at a part of upper floor and a power supply receptacle 6 is disposed at the opening/ closing part of a door 11 between upper and lower floors. The power supply connector connecting part of the double floor unit board can be electrically connected or disconnected freely with/from the power supply receptacle 6 through at least one wiring accessory 70 in the double floor wiring system.</p> |
