| 摘要 |
A streetlight pole having a double structure is provided to prevent an accident caused by a leakage of electricity by insulating the space between an inner pole member and an outer inner member with an insert ring and finishing members. Disclosed is a streetlight pole(2) having a double structure composed of an inner pole member and an outer pole member, wherein an insert ring made of insulating materials is installed between the inner pole member and the outer pole member, and finishing members(8,9) made of insulating materials are installed on the top and bottom of the outer pole member, so that the insert ring and the finishing members insulate the space between the inner pole member and the outer pole member not to send electric current to the outer pole member even if the inner pole member is short-circuited.
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