| Class 4321: Electrical installation |
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| This class includes the installation of electrical systems in all kinds of buildings and civil engineering structures of electrical systems.
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 • electric solar energy collectors |