Lenovo ThinkVision 21.5" Monitor - Manual (Page 14)

Chapter 1.
1-8
60227 (designation H05VV-F 3G 0.75mm 2 or H05VVH2-F2 3G 0.75mm 2 ) shall be used.
H05RR-F 3G 0.75mm 2 ) shall be used.
7. Power on the monitor and the computer.
6. Plug the power cord into the monitor, then plug the monitor and computer power cords
into a grounded power outlet
Power cord
Note: The computer must use certified power cord.The installing and/or equipment
management regulations in related country(region) should be considered.