| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a ground fault, an electric shock accident or the like which happens when the terminal of a lead-in wire is brought into contact with an arm or the like at the time of distribution works for the lead-in wire which are conducted on a pole. SOLUTION: A gap main body 1 in which a horn-like insertion port 3 is provided in the open end of a cylindrical bottomed body 2 with a bottom through which a lead-in wire is inserted is formed, an embracing piece 4 held by insulated pincers in the outside surface of the cylindrical bottomed body 2 with a bottom is projected and at the same time a plurality of ribs 5 in which the swell made gradually higher toward the bottom of the cylindrical bottomed body 2 with a bottom in the direction of the length of its inner wall surface are projected at equal intervals, and those ribs 5 are bitten into and fixed to the outer circumferentical surface of the lead-in wire inserted into the cylindrical bottomed body 2.</p> |
