In general, it is safe to unplug appliances even if the switch is in the "on" position. Unplugging an appliance essentially cuts off its power supply, regardless of the switch position. However, it's important to note that there are a few exceptions and precautions to consider:
Appliances with Standby Power: Some appliances, such as televisions, computers, or certain electronic devices, may have a standby mode that allows them to draw a small amount of power even when switched off. In these cases, simply turning off the switch may not completely cut off power to the appliance. To ensure complete disconnection, it's advisable to unplug the device from the power source.
Safety Considerations: For certain appliances, such as heaters, fans, or irons, it's generally recommended to switch them off before unplugging. This practice reduces the risk of accidental activation or injury during the unplugging process.
Delicate Electronics: In some cases, delicate electronics, such as gaming consoles or computer equipment, may benefit from a proper shutdown procedure before unplugging. This allows the devices to save data, perform system checks, or prevent potential data loss or damage. Check the manufacturer's recommendations or documentation for guidance on the proper shutdown process for such devices.
As a general rule, it is safe to unplug appliances with the switch on, but it's a good practice to switch off the appliance before unplugging it, especially for safety and convenience purposes.