Electric Cable Depth Regulations Uk

Electricity safety quality and continuity regulations for a copy of the 2002 regulations including the 2006 and 2009 amendments.

Electric cable depth regulations uk.

Electric line includes equipment such as cables ducts marker tape pavement covers underground link boxes overhead line supports etc. Underground feeder uf cable is encased in weatherproof sheathing and can be directly buried in a trench. Certain requirements within substations see regulations 12 and 16. Excavations and depth of underground cables.

Polypipe rigiduct outside diameter is 38mm. Electric line duty holders should note that this term has a much wider application than the term conductor. Cable in any conduit including pvc that is buried at this depth is not in danger of being severed or disturbed by normal digging. Must be laid with electrical cable warning tape which should be installed at a depth of 240mm below gardens and paths 100mm below roads and 650mm below agricultural land.

The sheath on such a cable is clearly marked as uf and the colours can vary. Solid al up to and including 300 mm prysmian wrexham uk. Wiring buried inside rigid metal rmc or intermediate metal imc conduit must have at least 6 inches of earth cover. Depths do vary slightly depending on the cable load and ground type you re laying in.

1 every underground cable shall be kept at such depth or be otherwise protected so as to avoid so far as is reasonably practicable any damage or danger by reason of such uses of the land which can be reasonably expected. Because there is no conduit the depth requirement increases to 18 inches. Lv concentric cables tratos uk cabelte portugal lv wavecon cables prysmian wrexham uk hellenic greece 11kv three core cables nexans hannover germany al stranded and solid conductors prysmian wrexham uk 11kv single core cables tele fonica kable poland cu or al stranded for all sizes. The national electric code nec sets the required burial depth of electric wire in rigid non metallic conduit such as pvc at 18 inches.

More information about underground cables and electrical safety is available in hse s avoiding danger from underground services. All cables and ducts for lv mains and 11kv circuits are to be installed by central networks or its agents. The nec requires a depth of 12 inches for non metallic conduit. Wiring in pvc conduit must have at least.

Uf cable can be direct buried without conduit with a minimum of 24 inches of earth cover.