| Type of
Work |
Design |
Install |
Maintain |
Test |
| Distribution
and earthing |
 |
|
|
|
| Lighting |
|
|
|
|
| Power |
|
|
|
|
| Emergency
lighting |
|
|
|
|
| Fire alarm
systems |
|
|
|
|
| Voice
evacuation systems |
|
|
|
|
| Security
systems |
|
|
 |
|
| Building
management systems |
|
|
|
|
| Energy
management systems |
|
|
|
|
| Control
systems |
|
|
|
|
| Computer
installations |
|
|
|
|
| Data
infrastructure cabling |
|
|
|
|
| Hazardous areas |
|
|
|
|
| Lightning protection |
|
|
|
|
| Domestic installations |
|
|
|
|
|
|
|
