| 630 - 639 : LIGHTING | ||
|---|---|---|
| 630 | Lighting (Grouped) | |
| 631 | General lighting | |
| 632 | Local lighting | |
| 633 | Emergency lighting | |
| 634 | Street lighting | |
| 635 | Airfield lighting | |
| 636 | Floodlighting | |
| 637 | Waterproof lighting | |
| 638 | Other types of lighting services | |
| 639 | Parts and accessories | |