The paper deals problematic of create level of development matrix a use Information model for wiring. In first part is shown creation matrix and its form with individual elements for high -voltage wiring. The second part describes the individual part of the matrix and the reason for the assignment of information. Further, this section is described by the participants, most affected by creation wiring project, and who has just matrix help. Third part is about application matrix to the real practice and the issue of the introduction of the use of information modeling.