Technics SU-C700 Owner's Manual page 12

AC power supply cord connection
Connect only after all other connections are completed.
≥ This unit consumes a small amount of AC power (
electrical outlet if you will not be using the unit for an extended period of time. Place the unit so the plug can be easily removed.
12
This unit
(rear)
AC power supply cord
(supplied)
To a household AC outlet
17) even the power switch lever is in the [OFF] position. Remove the plug from the main
Insert the AC power supply cord up to
A, a point just before the round hole.