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} |
659 | DF | .~.~ For electricity service meter {5} |
661 | DF | .~.~.~ With meter circuit controller {2} |
663 | .~.~.~.~ With transformer or circuit breaker |