室外暗埋电线管路,从干线分出支线时,需要安装分支接线盒;如果线路较长,即使其上没有接头或分支,根据规范要求也要加装中间接线盒,以利施工穿线和送电后维修。这种室外接线盒目前尚无定型产品,也没有专门的生产厂家。我们在施工中采用一种自制的室外接线盒,不但防水性能好,而且制作容易、成本低、维修方便。室外接线盒的构造见右图,按以下顺 If the line is long, even if there is no connector or branch on it, an intermediate junction box shall be installed according to the code to facilitate construction threading and sending Electric maintenance. This outdoor junction box is currently no stereotypes products, there is no special manufacturer. We use a homemade outdoor junction box construction, not only waterproof performance, but also easy to make, low cost, easy maintenance. The structure of the outdoor junction box see the picture, according to the following sequence