In message , Dave Plowman
writes
In article ,
Wanderer wrote:
But the danger of following an idiot's guide is that they may not
realise that regardless of said idiot's guide if they actually get the
cables in the wrong terminals it could have lethal consequences.

Are you really sure there are many who don't realise that some wires are
live while others aren't? Most people with no technical knowledge know
what an earth is.

Isn't it what they end up on when they touch a live wire?
--
geoff