OP
rocker
Not on the new style PME heads you don't, and that's what he's describing. But it doesn't matter anyway because there are knockouts for cable access and for screw tightening.
Discuss Earthing pme in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
do it yourself sammy, you wont get in to trouble and its perfectly safe
Not sure if I can drill the knockouts myself and install the earth wire, or get the DNO out to do it as I imagine that would cost the customer again
Haven't you contacted them yet?
Dont be bloody daft, it's far easier to get a contradiction of answers for a week on a public forum than to simply pick the phone up to find something out in a matter of minutes.
Reply to Earthing pme in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net