也论路灯配电系统兼议5线TT系统

摘要

Outdoor street lamp project is associated directly with personnel safety of the general public, therefore, it is necessary to determine whether TN- S or TT system should be adopted as per different situation, and to take corresponding technical measures%室外路灯工程直接关乎民众的人身安全．需根据具体情况确定采用TN—S系统或是TT系统。并采取相应的技术措施。