Some equipment may have a small quantity of background power consumption even if the main equipment power switch is off.

Question

Quizplus · Accepted Answer

This phenomenon is known as standby power or vampire power, and is common in many electronic devices. It allows the device to maintain certain functions such as clock, memory or remote control functionality even when the device is not in use. It is important to unplug these devices or use a power strip with an on/off switch to reduce unnecessary energy consumption.

Some Equipment May Have a Small Quantity of Background Power