To easily cope with the change of layout without needing time in wiring work.
This wiring device block is equipped with a box 5 whose one side is open, which accommodates a wiring device 20 for power connection and a wiring device 40 for information connection through an opening 5a, and in which a knock out part 5e1 for leading in a power cable Lp and an information cable Ls is made; a cover 7 which is equipped with a lead-out port 7b for an extension code 22 for power and an extension code 42 for information and is attached freely of mounting and removal, in such a way as to block the opening of the box; and a block plate 8 which blocks or opens the lead-out port. Then, it is so arranged as to extend an extension code for power from the lead-out port in condition that the block plate opens the lead-out port in the case of taking a plug socket 21 out of the box, and as to extend the extension code for information from the lead-out port in condition that the block plate opens the lead-out port in the case of taking a modular plug socket 41 out of the box.
JINNAI MASANOBU
ENDO YOJI
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