Leaving a standard vacuum cleaner plugged in when not in use is generally safe and does not pose significant risks. However, there are a few considerations you should keep in mind:
Energy Consumption: Even when not in use, electrical appliances that are plugged in can still draw a small amount of standby power. This is often referred to as "phantom" or "vampire" power. While the power consumption of a vacuum cleaner in standby mode is relatively low, it can add up over time and contribute to your overall energy usage. If you are conscious about reducing energy consumption, you may want to unplug the vacuum when not in use.
Safety: As with any electrical appliance, there is a slight risk of electrical issues, such as short circuits or electrical fires, although the chances of this happening are generally low. Modern vacuum cleaners are designed with safety features, and electrical standards and regulations help ensure their safety. However, if you have any concerns about the condition of your vacuum cleaner or the electrical outlets in your home, it's always a good idea to have them checked by a qualified electrician.
Wear and Tear: Leaving the vacuum cleaner plugged in for extended periods might lead to some minor wear and tear on the power cord and plug, especially if it gets frequently moved around or the cord is not stored properly. Over time, this could potentially affect the integrity of the cord or plug.
In conclusion, leaving a standard vacuum cleaner plugged in when not in use is generally considered safe, but it may result in a small amount of standby power consumption. If you want to minimize energy usage or have any safety concerns, you can unplug the vacuum when it's not in use. Additionally, ensure that the vacuum cleaner is stored in a safe and appropriate location to avoid unnecessary wear on the power cord and plug.