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Detailed structure and explanatory notes

ISIC Rev.4 code 4321


  • Section: F - Construction
  • Division: 43 - Specialized construction activities
  • Group: 432 - Electrical, plumbing and other construction installation activities
  • Class: 4321 - Electrical installation

Explanatory note

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 television wiring, including fibre optic
· satellite dishes
· lighting systems
· fire alarms
· burglar alarm systems
· street lighting and electrical signals
· airport runway lighting

This class also includes:
- connecting of electric appliances and household equipment, including baseboard heating

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

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