| 361 / | HD | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
| 600 | DF | HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS {11} |
| 601 | DF | .~ For electrical power distribution systems and devices {10} |
| 641 | DF | .~.~ Electrical service distribution box {5} |
| 644 | DF | .~.~.~ Including panel board {6} |
| 648 | DF | .~.~.~.~ Busbar arrangements {2} |
| 650 | ![]() | .~.~.~.~.~ Spaced parallel relationship |