Observe safety lifesavers distribution commissioning work instruction



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1. Cable description

Rated voltage: kV

Length of the cable (approx): m

No of in-line joints:

Size of the cable: mm²

Cable function: Transformer cable Feeder cable




2. Visual Inspection and safety check

  • Ring main switch

  • Ring main earth switch

  • Cap test points

  • Cable

  • Cable surge arresters

Check that the construction complies with the distribution construction standards and applicable design drawings.




Check the switchgear to ensure the switch is in the OFF position. N/A




Check the equipment mimic diagram to confirm the earth switch is in the ON position. N/A




Ensure that the interlock is disengaged to access the cable/compartment for test purposes




Confirm that the cables are de-energised (with an approved testing device) before proceeding further.




Ensure that the earthing system is complete, undamaged and bonded to earth points.




Wherever possible, check that there is no physical damage to the cable or equipment.




Check that the cable is clearly marked with each phase colour and labelled (if applicable).




Ensure the surge arresters are disconnected from the cable terminations (if applicable).








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