Incredible Light Fixture Distribution Types References. Web the term “distribution type” defines how far forward of the luminaire (i.e., on the streetside) the effective output reaches. The distribution pattern is how the light moves from the fixture out to the area around it, typically on the ground.
Web there are various light distribution patterns available for led area lighting, including type i, ii, type iii, type iv, and type v distributions. The nema beam spread classification is used for outdoor flood lights, spot lights, & stadium lighting. This is called the lighting footprint, and it provides a specific pattern on the ground and varies from one type to the next.
