In article ,
Andy Wade writes:

It now appears that all this will change, such that all power cables
buried at less than 50 mm depth will require 30 mA RCD protection,
_even_if_in_the_safe_zones_ unless one of the above special cable types,
or metal conduit/trunking is used.

What's the justification for this?
Or is it just knee jerk without any risk analysis to back it up?

--
Andrew Gabriel
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