| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a guard fence allowing wiring work in the field to be easily performed while sharing a power source. <P>SOLUTION: A guard fence 1, which comprises posts 2, beam pipes 3, pipe joints 4, a plurality of LEDs 9, a power supply device 12, and electric wiring 10, is arranged along a road. The electric wiring 10 includes joint wiring 102 inside the pipe joints 4, beam pipe wiring 103 inside the beam pipes 3, joint wiring side connectors 32, and beam pipe wiring side connectors 33. Each of the beam pipe wiring side connector 33 is provided at an end of each beam pipe wiring 103, and is detachably connected to the joint wiring side connector 32 of the joint wiring 102 routed to the pipe joint 4 connected with an end of the beam pipe 3 in which the beam pipe wiring 103 is routed, thereby the beam pipe wiring 103 and the joint wiring 102 being electrically connected with each other. <P>COPYRIGHT: (C)2012,JPO&INPIT |
