For common flood lights, the height can be 2.24-2.65 متر. And if you want brighter light, you can shorten its distance from the ground to 1.5-1.7 متر. As for those flood lights that light up the outside corridors, the height should be about 1.8 meters above eye level. And the distance between the light and the wall should be about 0.1-0.4 متر.
المزيد من القراءة: ارتفاع أضواء الشوارع: كيف ينبغي أن يكون طويل القامة?



