【判断题】
在作业时，若有电力线电灯线等触碰或断落在作业区域内，应立即停止作业。
A. 对
B. 错
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A
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造成光缆线路对地绝缘低于2M的主要原因可归纳为：光缆外护层的破损、光缆端头残余浸水、接头盒密封不好、接头盒监测引出线装置损伤、施工季节和竣工验收受气候的影响。
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装维人员应将现场服务过程中搬动过的用户电脑及其他用户物品还原，并且细致地将服务过程中的杂物用随身携带的垃圾袋清理干净，确保用户家中的环境整洁卫生，树立良好的企业服务形象。
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