| 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} |
| 652 | ![]() | .~.~.~.~ Circuit breaker supporting arrangements {4} |
| 653 | DF | .~.~.~.~.~> With discriminating means |
| 654 | DF | .~.~.~.~.~> With tamper prevention means |
| 655 | DF | .~.~.~.~.~> Having two row arrangement |
| 656 | DF | .~.~.~.~.~> With plug-in circuit breakers |