| 49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
| 149 | DF | MOUNTED FOR OPTIONAL MOVEMENTS {12} |
| 163 | DF | .~ One closure movable separately from or with other closure {4} |
| 166 | ![]() | .~.~ Upper closure mounted on horizontally swinging closure; e.g., sliding window on swinging door {1} |
| 167 | DF | .~.~.~> Power conduit for upper closure extends across hinge |