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backfilling (trenches, demolition works, etc.), junction works, repair work, etc. Cable pulling and laying is subject to general and specific technical specifications, depending on the infrastructure projects. Elia distinguishes cable work according to the following voltage levels: - 36 kV – 70 kV

- 110 kV – 150 kV 2000mm² - 150 kV 2500mm² - 220kV – 380 kV Alu - 380 kV Cu