| Classes |
|---|
| Electrical installation |
| Other construction installation |
| Plumbing, heat and air-conditioning installation |
| Group 432: Electrical, plumbing and other construction installation activities |
|---|
| This group includes installation activities that support the functioning of a building as such, including installation of electrical systems, plumbing (water, gas and sewage systems), heat and air-conditioning systems, elevators etc. |