STREETLIGHT FOUNDATION CAPABLE OF PREVENTING AN ELECTRIC WIRE FROM GETTING BROKEN OFF BY AN EXCAVATOR AT GAS PIPELINE WORK, WATERWORK, DRAINAGE WORK, UNDERGROUND CABLE WORK, ETC. BY FORMING A HOUSING SPACE TO THE CENTER OF THE STREETLIGHT FOUNDATION AND A WINDING UNIT FOR LETTING AN ELECTRIC WIRE PASS THROUGH

摘要

PURPOSE: A streetlight foundation is provided to prevent power failure or a short circuit caused by breaking off or uncovering an electric wire which connects streetlights. CONSTITUTION: The streetlight foundation comprises: a housing box(10) provided with a hole for connecting with an electric wire tube(20); an electric wire tube(20) whose one end is connected to the hole of the housing box(10) by a connector and the other end is exposed to the outside of a concrete foundation(40); a full thread bolt(30) attached to the housing box(10); a streetlight post connected and fixed to the full thread bolt(30); a winding unit formed by winding electric wires which are connected to the electric wire tube(20) through the center of the streetlight post in the housing box(10); sheet copper(70) located on the lower part of the concrete foundation(40); and a ground wire connecting the streetlight post and the sheet cooper.