Perhaps it should.
But until it does are you really going to claim that it is plausible that someone who worked on the installation in a house with a TN-C-S supply would by found by a court to have not made reasonable provision in the design and installation of it in order to protect persons operating, maintaining or altering the installation from fire or injury if he had not installed such a device?
Really?
But until it does are you really going to claim that it is plausible that someone who worked on the installation in a house with a TN-C-S supply would by found by a court to have not made reasonable provision in the design and installation of it in order to protect persons operating, maintaining or altering the installation from fire or injury if he had not installed such a device?
Really?