174 / | HD | ELECTRICITY: CONDUCTORS AND INSULATORS |
50 | DF | BOXES AND HOUSINGS {4} |
52.1 | .~ With electric device or mounting means therefor {5} | |
52.2 | DF | .~.~> Potted or encapsulated |
52.3 | DF | .~.~> Sealed {3} |
53 | DF | .~.~> Plug receptacle or wall switch type {4} |
59 | DF | .~.~> With connectors {1} |
61 | DF | .~.~> Fixtures coupling or mounting means {1} |