220 / | HD | RECEPTACLES |
565 | STATIONARY TANK {5} | |
566 | DF | .~> Toroidal (i.e., doughnut shaped) |
567 | DF | .~> Elevated (e.g., municipal water tank) |
567.1 | DF | .~> Underground |
567.2 | DF | .~> For petroleum or a petroleum product (e.g., oil, gasoline) |
567.3 | DF | .~> For hot water heater or boiler |