If it was a metal back box .
Then if only ONE earth wire, this would have been better parked up in the Earth terminal on the metal box.
If the ONE earth wire was just a link coming off the metal box, then leave as you have done, in a connector block.
Then if only ONE earth wire, this would have been better parked up in the Earth terminal on the metal box.
If the ONE earth wire was just a link coming off the metal box, then leave as you have done, in a connector block.