| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrical apparatus that is used in the wiring duct, having a movable sensor and can be made compact. SOLUTION: This electrical apparatus is installed in the wiring duct 1 and supplied with electricity through the wiring, and comprises an apparatus body 2, which has nearly the same width as the width of the wiring duct 1 and extends in the longitudinal direction of the wiring duct 1 and a movable sensor portion 3, which is installed inside the apparatus body 2. The sensor portion 3 comprises an outer shell 5 of a nearly ball shape, which is supported rotatably at the vicinity of the sensor opening 1 of the apparatus body 2, a sensor which is arranged in the outer shell 5 and faces the sensor opening 4, and a printed board 2 which is arranged in the outer shell 5 and mounts a sensor circuit 7 and of which one part 8a protrudes from the outer shell 5, in the longitudinal direction of the apparatus body 2. |
