Sticking a fork (or any metal object) into an unplugged toaster can be dangerous and is not recommended. Here's why:
Risk of electrical shock: Even when unplugged, there may still be residual electric charge in some parts of the toaster. If you insert a metal fork into the toaster, you could inadvertently complete an electrical circuit, leading to an electric shock.
Damage to the toaster: Depending on how the fork is inserted and the internal components of the toaster, inserting a fork could cause damage to the heating elements, the toaster's interior, or other essential parts.
Personal safety: If you insert a fork into the toaster and accidentally damage it, there's a risk of small metal fragments or sharp edges being left inside the toaster, which could be hazardous when using it in the future.
To avoid any potential risks, it's best to keep metal objects, including forks, away from toasters and any other electrical appliances. If you have a jam or need to retrieve something from the toaster, always unplug it first and allow it to cool down before attempting to remove the item. If you encounter any issues with the toaster, it's safer to contact the manufacturer for repairs or seek the assistance of a qualified professional.