Sony STR-GX900ES - Manual (Page 11)

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Connecting the AC Power
Connect the power cord from this receiver to a wall outlet. If
you connect other audio components to the SWITCHED AC
OUTLET on the receiver, the receiver will supply power to
the connected components only when the receiver is turned
on.
Caution
Be careful that the total power consumption of components
connected to the outlet(s) on the receiver does not exceed 120
watts (U.S.A. and Canada models) or 100 watts (Australia
model).
Do not connect electrical home appliances such as an electric
iron, fan, TV, or other high-wattage appliances to the
outlet(s).
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