All outside lighting, including sign lighting, shall be focused away from adjacent streets and lots and shall be directed in such a way as not to create a nuisance to any adjacent use and roadway. All luminaries and fixtures hereafter constructed, installed, changed, or remodeled shall be equipped with a glare-shielding device, full-cutoff, downward-cast, in the case of freestanding area lighting. Intensity of outdoor lighting shall be limited within usable areas of a lot (i.e., parking, walkways, etc.) to an average intensity at the ground of 2 1/2 footcandles with a maximum intensity at any given point on the ground of six footcandles, unless otherwise approved by the Borough Council. A 400-watt maximum shall apply to any light source.