Some personal identifiers have been redacted for privacy purposes. This proceeding is before the Occupational Safety and Health Review Commission (the Commission) pursuant to § 10(c) of the Occupational Safety and Health Act of 1970, 29 U.S.C. § 659(c) (the Act). On March 10, 2015, employees of MasTec North America, Inc. dba MasTec Advanced Technologies, Inc. (MasTec) were moving energized power lines (also referred to as phases, wires, lines, or conductors) from 45-foot wooden poles to new weather-resistant 50-foot tall concrete poles as part of a project to improve power distribution in Merritt Island, Florida for Florida Power & Light (FP&L). While engaged in moving the energized lines at Pole 65, 3210 South Tropical Trail, Merritt Island, Florida (worksite, work site, or job site), MasTec employee [redacted] was electrocuted and died at the worksite.