Optoma TW631-3D User Manual page 4

Notes on the AC Power Cord
AC Power Cord must meet the requirement of countries where you use this
projector. Please confirm your AC plug type with the graphics below and
ensure that the proper AC Power Cord is used. If the supplied AC Power
Cord does not match your AC outlet, please contact your sales dealer. This
projector is equipped with a grounding type AC line plug. Please ensure that
your outlet fits the plug. Do not defeat the safety purpose of this grounding
type plug. We highly recommend using a video source device also equipped
with a grounding type AC line plug to prevent signal interference due to
voltage fluctuations.
For Australia and
Mainland China
For Continental Europe
EN-4
Ground
Ground
Ground
For the U.S.A. and Canada
For the U.K.
Ground