Oh, I see - apologies for misunderstanding.
Fair enough, but you're biased
It could conversely be said that if it needs earthed steel protection when used in a domestic situation (protected by an OPD much smaller than 630A) it should also need it in a DNO network! but intrigued as to which cable you refer to but ultimately I guess I don't need to know.More a matter of an ongoing skirmish (between two branches of the industry)I guess this has moved on to more advanced discussion
.... but, no, it's really of no concern to you - since SWA is really the answer you need to be given! As westie said in the first part of his post, almost any cable in buried earthed galvanised conduit would theoretically be OK - but that's likely to more hassle (and quite possibly more costly) than just using SWA.
But as you have pointed out more than once, your cables etc are not within the scope of BS 7671.
1) I freely admit that right now ICBA to look for the answer to (2) myself.More a matter of an ongoing skirmish (between two branches of the industry)
Even if it were, it's probably moot, since I think a DIYer (or anyone else, come to that) would struggle to find a source of cut lengths of split-con (the OP's lamp post is only ~3m from house) - and I suspect that it wouldn't be appreciably, if at all, cheaper than SWA, anyway.
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