This places fixtures at between 3/4 and 7/8 of the height of the door and lets those approaching the door knock or gain entry without glare in their eyes. Lights need to be high enough to illuminate the immediate porch area and steps within a few feet of the door.
intermediate definition an intermediate is a substance formed during a middle step of a chemical reaction between reactants and the desired product examples in the chemical equation
1580s, a middle ground, quality, or degree, from Latin medium the middle, midst, center; interval, noun use of neuter of adjective medius (see medial (adj.)). Meaning intermediate agency, channel of communication is from c.1600.