Abstract: An elongate light fixture, the light fixture having an adjustable overall length, and a method of installing same. The elongate light fixture includes a first piece that includes a first reflector shroud portion and a second piece that includes a second reflector shroud portion. The first and second pieces are coupled to a frame to permit relative movement of the first and second pieces for spacing the first and second pieces at a desired distance apart to provide the desired overall length of the housing arrangement and to provide a space between the first and second pieces. The adjustable-length, elongate light fixture further includes an insert that is trimmable to fit in the space between the first and second pieces. The method of installing an adjustable-length, elongate light fixture, the method including moving a first piece, which includes a first reflector shroud, of a housing arrangement relative to a second piece, which includes a second reflector shroud, of the housing arrangement.