Yes, you can put a knife in the toaster if it is unplugged and completely cool. If the toaster is not connected to an electrical power source and there is no residual heat left from previous use, it is generally safe to use a knife or other utensil to retrieve items that may be stuck inside the toaster.
However, even when the toaster is unplugged, you should exercise caution when using a knife inside the toaster. Here are some safety tips to keep in mind:
Unplug the toaster: Always make sure the toaster is unplugged from the electrical outlet before attempting to insert a knife or any other object inside.
Wait for it to cool down: Ensure that the toaster has cooled down completely before attempting to retrieve any items. Toasters can retain heat for a while after use, and touching hot surfaces can still cause burns.
Use a non-metallic tool: It is safer to use non-metallic tools like wooden chopsticks or plastic tongs to retrieve items from the toaster. These materials won't conduct electricity, reducing the risk of electrical shock.
Be gentle: When using a tool to retrieve something from the toaster, do it gently to avoid damaging the toaster's heating elements or interior surfaces.
Regular cleaning: To prevent items from getting stuck inside the toaster, clean it regularly and remove any accumulated crumbs or debris.
It's worth noting that the primary reason why inserting a knife or any metal object into a plugged-in toaster is dangerous is due to the risk of electric shock. When the toaster is unplugged, this risk is eliminated, but it's still essential to handle any utensils with care to avoid damaging the toaster or injuring yourself. Always prioritize safety and exercise caution when dealing with kitchen appliances or any electrical devices.