From Charles Edwards
Feedback mentions a motorist seeing a sign saying “Beware, underground cables” and not knowing what to do about them (27 May).
Such signs are put there, in my native Australia, at least, because if a contractor or anyone else putting in underground services doesn’t know about the existence of cables, they are likely to dig right through them – an expensive and common problem. The notices are also found around rivers with the warning not to anchor there.
Twickenham, Middlesex, UK
