| PSC | Description |
|---|---|
| 6105 | Motors electrical |
| 6110 | Elect cont eq |
| 6115 | Generators & generator sets elect |
| 6116 | Fuel cell power units, comp, acc |
| 6117 | Solar elec power systems |
| 6120 | Transformers - distrib & power sta |
| 6125 | Converters elect rotating |
| 6130 | Converters elect non rotating |
| 6135 | Batteries nonrechargeable |
| 6140 | Batteries rechargeable |
| 6145 | Wire & cable elect |
| 6150 | Misc electric power & distrib eq |