线管内电线也有规定的哦,不得超过线管截面的40%
http://www.gtzs.com/data/attachment/forum/201902/14/153323p1qyqvvcgohzfqcg.jpg
弱电用蓝线管、蓝线盒
http://www.gtzs.com/data/attachment/forum/201902/14/153238snmb2i5em9adi8np.jpg
七字型开槽
强弱电交接处用金属屏蔽管,防止干扰
壁灯线槽
强弱电线管间隔30厘米以上
筒灯电线用波纹管保护
冷热水管布置专业规范,左热右冷、上热下冷
墙面布线穿管横平竖直
灯头线套黄腊管保护