Big facilities deal with longer runs, higher mounting heights, and less patience for surprise failures. That pushes planners toward electrical choices that stay stable as the building expands. Higher-voltage branch circuits can carry more load per circuit, simplify layouts, and keep upgrades from turning into major rewiring projects. In these buildings, electricians want circuits that... https://www.selfemployedai.com/articles/why-277v-lighting-is-a-go-to-standard-for-warehouses-schools-and-offices