| 219 / | HD | ELECTRIC HEATING |
| 200 | DF | HEATING DEVICES {14} |
| 385 | DF | .~ Combined with container, enclosure, or support for material to be heated {12} |
| 443.1 | DF | .~.~ Exposed horizontal planar support surface for material to be heated (e.g., hot plate, etc.) {13} |
| 458.1 | DF | .~.~.~ Having electrical connection {1} |
| 459.1 | ![]() | .~.~.~.~ Receptacle (e.g., socket, an insulator block, a terminal block, etc.) |