"Charles Ellson" wrote in message

the new third-rail ban merely DfT policy rather than any actual
regulation ?

Quite possibly.

The subject comes up in uk.r often enough that it seems to have been
taken de facto that new unprotected third is not allowed, but I've yet
to see where that is stated.

However, it does not appear in UIC recommendations according to some
notes and extracts of UIC stuff sent to me from a German correspondant.
UIC seem only to refer to 50/25/15 kV AC and 6000/3000/1500 DC overhead
including lineside distribution and protected 600/750 V DC, not to
unprotected DC.

OTH the document is a home translation so something might have been
missed, and a UIC recommendation is not regulation, although is often
taken as a basis for regulation.

Perhaps Mr. Catlow may know ?

--
Nick





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