| Symbol | Typ | Titel |
|---|---|---|
| H | SK | ELECTRICITY |
| H01 | KL | BASIC ELECTRIC ELEMENTS |
| H02 | KL | GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER |
| H03 | KL | BASIC ELECTRONIC CIRCUITRY |
| H04 | KL | ELECTRIC COMMUNICATION TECHNIQUE |
| H05 | KL | ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR |
| H99 | KL | SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01] |