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Underground cables

Information on this page is for anyone who excavates or penetrates ground.

Over the past ten years there has been over 1,200 recorded injuries as a result of contact with underground electricity cables. A large number of these incidents take place on construction and demolition sites although recently we have seen a rise with incidents with DIY works.

Tips for staying safe -

  • Always contact SP Energy Networks for free cable plans and advice before starting work.
  • It is important to note that underground cables do not always run in straight lines, they are flexible and can take twists and turns underground.
  • Always treat cables as live until they have been confirmed NOT LIVE by SP Energy Networks.
  • Not all cables are shown on plans
  • Always carry out a risk assessment in accordance with HSE HSG47 ‘avoiding danger from underground cables’.
  • Always use a Cable locating device prior to breaking ground.
  • If you do come into contact with an underground cable, contact SP Energy Networks on the emergency contact number 105.
  • Cables can still be live even if they are broken and not sparking.


Additional Information


Hi! I'm the SP Energy Networks System Agent, can I help you?