| 174 / | HD | ELECTRICITY: CONDUCTORS AND INSULATORS |
| 68.1 | DF | CONDUITS, CABLES OR CONDUCTORS {15} |
| 110 R | DF | .~ Insulated {21} |
| 113 R | DF | .~.~ Multiple conductor {7} |
| 117 R | DF | .~.~.~ Assemblies of noncircular section {5} |
| 117 FF | ![]() | .~.~.~.~ Conductor itself is flat |