All electrical-consultants will use blueprint symbols to describe to the client how the layout will go. I have received many requests for advanced electrical symbols.
Advanced electrical symbols still have the basic residential symbols, but they also have additions for commercial and industrial applications.The Communications/Data blueprint symbols are not as difficult to understand because most of us are already familiar with phone lines, computer data lines, doorbells, sound systems, TV cables, security systems and things like that.

Symbols an electrical-consultant will use for Communications top of page
