Patent ID: 8822823
Filing Date: 2014-09-02
Classification: H01B

Abstract:
1. A double water-tight structure protecting device for an exposed electric charging part of a vertical road electric tubular facility, the tubular facility receiving therein an electrical wire, the exposed electric charging part resulting from leak current from the electrical wire, the device comprising: an insulator attached on an outer peripheral surface of the electric charging part; a first tube-shaped protective cover located at an upper portion of the insulator in such a way as to surround an outer face of the insulator; and first and second waterproof members interposed respectively between the insulator and the first protective cover, the first waterproof member being located at a higher position than the second waterproof member, wherein the first protective cover is spaced from the insulator from a lower end of the second waterproof member to a lower end of the first protective cover.