Professionals working with GIS in Pinellas County, Florida, can utilize the US Electric Power Transmission Lines dataset which provides detailed information on overhead AC transmission lines currently in service. The dataset lists features such as voltage levels, ownership, and the specific transmission corridors between substations like Brookridge to Lake Tarpon and Buckeye to Rubonia. Each entry includes data confirmed through various sources including imagery and official reports, beneficial for projects requiring precise and up-to-date infrastructural data within the electrical transmission sector. This focused dataset, featuring key attributes like voltage classification and source validation details, supports GIS projects aimed at planning, analysis, and utility management.