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Aluminium/Copper Split Con

AncientMariner
I have been trying to find either a table or current figures for split-con cable where the Live is 25mm2 Aluminium (single core) and both the Neutral (7 strand) and Earth (5 strand) are 16mm2 Copper. This split-con used by Scottish Power in their MANWEB area circa 2002. Google has not been my friend...


I am interested in current ratings for buried in the ground and within a hockey stick (in wall cavity) and the max BS88 fuse that could be used by the DNO to protect - currently an 80 amp.

Thanks.

Clive
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    The Centre Conductor is a single Aluminium 5.6 mm in diameter, with Red insulation giving an overall diameter of 7.6 mm. Equals 25 mm2.


    There are 7 Black covered cores of 1.7 mm diameter Copper, with an overall diameter of 2.23 mm, Equals 16 mm2.


    There are 4 (NOT 5 as I posted previously) bare Copper cores each 2.25 diameter. Equals 16 mm2.



    Good, that does sound like "ordinary" Al/Cu spit con to me - so that data sheet (above) should be applicable.

      - Andy.

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    The Centre Conductor is a single Aluminium 5.6 mm in diameter, with Red insulation giving an overall diameter of 7.6 mm. Equals 25 mm2.


    There are 7 Black covered cores of 1.7 mm diameter Copper, with an overall diameter of 2.23 mm, Equals 16 mm2.


    There are 4 (NOT 5 as I posted previously) bare Copper cores each 2.25 diameter. Equals 16 mm2.



    Good, that does sound like "ordinary" Al/Cu spit con to me - so that data sheet (above) should be applicable.

      - Andy.

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