1. The cable marker pile shall be installed directly above the pipe. When the cable marker pile is used as a corner pile, it shall be installed directly above the midpoint of the corner section. When there is no installation condition directly above the pipeline, it can be set in the roadside green belt relatively close to the road, and the pipe pile fitness diagram shall be marked on the cable marker pile.

2、全封闭禁入道路不得设置电缆标志桩。电缆标志桩的安装间距宜为100m。地面平坦、视碍少、管道路由顺直的情况，电缆标志桩的安装间距可大100m。特殊地段，具体铺设规范制度进行管道标志桩的铺设!

2. No cable marker post shall be set on the fully enclosed road. The installation spacing of cable marker piles should be 100m. If the ground is flat, there are few visual obstacles and the pipeline route is straight, the installation spacing of cable marker piles can be increased by 100m. For special sections, specific laying specifications and systems shall be adopted to lay pipe marker piles!

3、电缆标志桩是埋设在天然气高压管线沿线以塑钢、玻璃钢、复合材质为主，涂有黄色标记的电缆走向标志桩，为起提示警示作用，标有“燃气管道、燃气电话、管线桩号、管线走向、电子巡检信息钮”，便于巡线抢修人员迅速找准管线位置，赢得抢修时机。根据《城镇燃气管理条例》第三十六条要求，擅自拆除和移动天然气高压管线上埋设的电缆标志桩属于违法行为。

3. The cable marker post is a cable route marker post embedded along the high-pressure natural gas pipeline, mainly made of plastic steel, glass fiber reinforced plastic and composite materials, and painted with yellow marks. In order to give warning, it is marked with "gas pipeline, gas telephone, pipeline pile number, pipeline route and electronic Patrol information button", so that the patrol and repair personnel can quickly identify the pipeline position and win the opportunity for emergency repair. According to Article 36 of the regulations on the administration of urban gas, it is illegal to dismantle and move the cable marker piles buried on the high-pressure natural gas pipelines without authorization.