Struck-By Incidents and Heavy Equipment Figure 2: Blind Spots Around Equipment Never store materials and equipment below overhead powerlines. Table 1: Minimum Distances to Powerlines Source: O. Reg. 213/91, s. 188 Voltage Rating Minimum Distance 750 to 150,000 volts 3 metres (10 feet) 150,000 to 250,000 volts 4.5 metres (15 feet)