Illumination provide outside the building should be to either a public way or to a point located at a distance from the building that is considered safe.

• 建筑物外所提供的照明可以朝向公共区也可以对着某一点,该点离建筑物的距离相当安全,任何一种方式都应该离遣散建筑物的距离最近。