การติดตั้งไฟฟ้า

This class includes the installation of electrical systems in all kinds of buildings and civil engineering structures.

This class includes:
- installation of:
* electrical wiring and fittings
* telecommunications wiring
* computer network and cable telev

This class excludes:
- construction of communications and power transmission lines, see 4220
- monitoring or remote monitoring of electronic security alarm systems, such as burglar and fire alarms, including their maintenance, see 8020