| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening/closing door for an electric appliance provided with a lead switch excellent in explosion proof and excellent in responsiveness without depending on mechanically pushing operation. SOLUTION: This system includes an opening/closing door 11 for opening and closing the opening of the box 10 of the electric appliance, the lead switch 12 provided in the neighborhood of the opening and an permamet magnet 13 provided at the outer peripheral part 11a of the door 11 so as to bring this lead switch 12 into a conductive state by approaching the lead switch 12 at the time of closing the door 11 and to bring it into a nonconductive state at the time of opening. |
