No, it is not possible to plug in a dryer without an outlet. A dryer requires a specific type of electrical outlet to provide the necessary power for operation. In most cases, dryers require a 240-volt outlet, commonly known as a "NEMA 14-30" outlet, which has a unique configuration of prongs to match the dryer's plug.
Attempting to connect a dryer to an outlet that does not match its electrical requirements can be dangerous and may result in electrical damage or fire hazards. It is crucial to ensure that the dryer is properly and safely connected to the appropriate electrical outlet.
If you do not have the appropriate outlet for your dryer, it is recommended to consult a licensed electrician to install the correct outlet for your specific dryer model. Electrical work should always be performed by a qualified professional to ensure safety and compliance with local electrical codes.