No, it is not safe to plug in a toaster or any other electrical appliance during an electrical storm. During a thunderstorm, there is an increased risk of lightning strikes, which can cause power surges and electrical disturbances in the electrical grid.
Plugging in an appliance like a toaster during a storm can put you at risk of electrical shock or damage to the appliance. Lightning strikes can induce high voltages into power lines, and this energy can find its way into electrical outlets and devices connected to them.
To ensure safety during an electrical storm, it's best to unplug all non-essential electrical appliances and devices, including toasters, from the wall sockets. If you want to use your toaster or any other electrical appliance, it's advisable to wait until the storm has passed and the risk of lightning strikes has decreased.
Additionally, it's a good idea to invest in surge protectors for valuable electronic equipment in your home to provide some protection against power surges during storms or other electrical disturbances. These surge protectors can help divert excess voltage away from your devices and prevent damage.