Yes, turning off an appliance's circuit breaker can save electricity when the appliance is not in use. When an appliance is plugged in and its circuit breaker is on, it may continue to consume a small amount of electricity even when it's turned off or in standby mode. This is known as standby power or vampire power.
Many appliances, such as televisions, computers, game consoles, chargers, and certain kitchen appliances, have standby modes that allow them to power up quickly when you turn them on. However, even in standby mode, these devices often draw a small amount of power to maintain functions like remote control receivers, clock displays, or to be ready for instant use.
By turning off the circuit breaker that supplies power to an appliance, you can completely cut off the electricity flow to the device, eliminating any standby power consumption. This can lead to energy savings over time, especially for appliances that have higher standby power usage.
It's important to note that turning off the circuit breaker will also cut off power to other devices or appliances connected to the same circuit. So, it's recommended to only turn off the circuit breaker for specific appliances that are not needed or are going to be unused for an extended period.
Additionally, if your goal is to save electricity and reduce energy consumption, it's beneficial to unplug appliances or use power strips with switches to easily disconnect multiple devices at once. This way, you can ensure that no standby power is consumed when appliances are not in use.