Absolutely not. Attempting to turn off your house by sticking a knife (or any other object) in a toaster is extremely dangerous and could result in severe injury or death. Toasters are electrical appliances that use high voltage to generate heat and toast bread. Inserting any metal object, like a knife, into a toaster while it's plugged in can cause a short circuit, leading to electrical shock or electrocution.
Here are some important safety tips regarding toasters:
Never insert any object, especially metal objects, into a toaster while it is plugged in or even after it has been unplugged. Unplug the toaster first if you need to retrieve something stuck inside.
Keep the toaster away from water or any liquid. Water and electricity do not mix well and can lead to electric shocks.
Regularly clean your toaster and remove any accumulated crumbs to prevent fire hazards.
Follow the manufacturer's instructions and guidelines for using the toaster safely.
If you want to turn off the power to your house, you should use the main electrical circuit breaker or switch off the appropriate electrical circuit at the breaker panel. If you're unsure about electrical matters or need assistance, it's best to consult a qualified electrician. Safety should always be a top priority when dealing with electrical appliances and circuits.