It’s quite simple, they have G4 in the serial number 
All G4 OLADRA and K50 have Earth posts as a simple visual check.
Likewise no FUSE on the IEC inlet for all G4 models.
3 Likes
It’s quite simple, they have G4 in the serial number
All G4 OLADRA and K50 have Earth posts as a simple visual check.
Likewise no FUSE on the IEC inlet for all G4 models.