April is National Safe Digging Month, recognizing the importance of calling 811 before digging to have utility lines marked. Underground electric and natural gas lines were hit over 10,300 times in 2023. Video here: Learn more about how the 811 process works. CHARLOTTE, N.C., April 1, 2024 /PRNewswire/ -- In recognition of National Safe Digging Month, Piedmont Natural Gas and Duke Energy are reminding customers and professional excavators to call 811 before digging to protect the nation's underground util ...