Is it okay to leave appliances plugged in?
Most of us are unaware of surroundings, especially home appliances that have been used. However, it should be noted that you should always Disconnect the gadgets when not in use. By unplugging them, you'll prevent energy from stealthily evaporating and driving up your costs, ultimately saving both electricity and cash.
Aside from the energy savings, there's another benefit of unplugging equipment when not in use: there is no better way to guard against electrical surges. Some of your plugged-in gadgets are undoubtedly susceptible to surge damage unless you have a whole-home surge protection system or individual surge protectors throughout your home.
Your appliances might be harmed by a little surge from a lightning strike or a transformer explosion. Small waves frequently happen when other sizable equipment in your house starts on, such as the compressor for your refrigerator or your air conditioner. These little surges have the potential to gradually diminish the usable lives of other appliances connected to the same circuit over an extended period.
When your appliances are in good operating order, the chance of an electrical fire is minimal, but unplugging them is the only method to eliminate that risk.
Source: Direct Energy