An apparatus for lighting that attaches to a building structure. The apparatus
includes a main profile having a first side and an opposing second side. The profile
mounting to the building structure. The apparatus includes a transformer disposed
in proximity to the main profile for providing electricity. The apparatus includes
a terminal connected to and disposed in the main profile and connected to the transformer.
The apparatus includes a cassette having light elements which is interchangeable
with the terminal. The cassette is removably held by the main profile and is in
contact with the terminal, and receiving electricity from the transformer through
the terminal. The cassette is changeable as a function of use and providing interchangeability
of light elements. A method for lighting a building structure.
