Wiring a 3-prong dryer using 10-2 wire could be done, but it's essential to ensure that you are complying with local electrical codes and safety standards.
In the past, 3-prong dryer outlets were common, but current electrical codes generally require a 4-prong dryer outlet to be installed. The 4-prong outlet includes a separate ground wire, which is considered safer than the older 3-prong outlets that rely on the neutral wire to serve as both the neutral and ground.
If you have an existing 3-prong outlet and want to connect a dryer that uses a 4-prong plug, there are adapter cords available that can convert the dryer's 4-prong plug to fit into the 3-prong outlet. However, it's crucial to note that using an adapter does not add the safety benefits of a dedicated ground wire, and it's not always up to code.
If you are installing a new outlet or replacing an existing one, it's generally recommended to use the correct 4-prong outlet and wire the circuit accordingly. This will ensure you have a proper ground connection and meet current electrical codes.
Electrical work can be hazardous, so it's always best to consult a licensed electrician or a qualified professional who can assess your specific situation, provide proper guidance, and ensure that the installation meets all safety requirements. They will be able to advise you on the appropriate wiring and outlet configuration based on your dryer's specifications and your local electrical codes.