Since it had no ground screw and the installer had no clue what to do with the (floating) ground wire, he connected it to one of the traveller terminals.
![[Linked Image]](https://www.electrical-contractor.net/ubb/eek.gif)
At least he could have wired the common to the light so the bare wire was connected to the neutral when switched off!
![[Linked Image]](https://www.electrical-contractor.net/ubb/biggrin.gif)
