| 摘要 |
PROBLEM TO BE SOLVED: To obtain a sensor for cable wiring, a cable wiring box, and a cover for cable wiring box that, when wiring accessories are installed on a cable wiring box or a cover for cable wiring box covered with wall materials or by fixing brackets without use of a box, allows the installing positions thereof to be detected with reliability even in the presence of any surrounding metal materials. SOLUTION: A sensor for cable wiring is composed of a sheet made of insulating material that can be installed on the front face of a cable wiring box, a cover for cable wiring box, or the like or on a wall face or the like where wiring accessories are to be installed by fixing brackets without use of a box and a resonance circuit that overlaps by a specified quantity with a sheet-like conductor the outline of which substantially agrees with the outlines of the periphery of openings in the cable wiring box, the cover for cable wiring box, or the like or the outlines of the wiring accessories secured on the sheet with an insulating material in between. |
