No person except the tappers employed by the Village shall be permitted to tap any street main or insert stopcocks or ferrules therein. All service cocks or ferrules must be inserted at or near the top of the street main, and not in any case nearer than six inches (6") to the bell of the pipe. The size of the cock to be inserted shall be that specified in the permit. (1964 Code; amd. Ord. 1964-24, 9-17-1964; Ord. 1996-06, 12-19-1996)