| 摘要 |
PROBLEM TO BE SOLVED: To provide a seal structure of wattmeter box with a simple structure wherein its appearance is not damaged and the workability for sealing can be improved. SOLUTION: In the seal structure of wattmeter box, screw through holes 5 are formed on a base 1 and a cover 2, respectively, a sealing screw 6 which has a through hole 7 in the almost central part is inserted in the screw through holes 5, and sealing is performed by inserting a wire 8 or the like into the through hole 7. As a result, the workability of sealing can be improved. COPYRIGHT: (C)2004,JPO
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