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How to use multiple computers when the voltage in university dormitory is limited?
1, find the meter box in your dormitory and turn off the main switch, circled with 1 in the figure.

2. Unscrew the screw (ring 2) to cut it off.

3. Unplug the black line, the thin one.

4. Tighten the screw and turn on the switch.

5. Look at the current limiter in the lower right corner. If the small light is still on, it's okay if it's not! ! !

Let the evil faction die! !