High-voltage compatibility: Designed for special devices such as industrial equipment, power tools, large ACs, and dryers, this L6-30P to L6-30R power cord is rated for up to 250V. Secure locking connectors: Both the NEMA L6-30P and L6-30R connectors feature locking mechanisms, ensuring a secure connection and preventing accidental disconnection of important equipment. Heavy-duty construction: With a fully molded 10 AWG conductor, this power cord is built for durability and long-lasting performance in demanding environments. Power plug extension: This power cord allows you to extend the reach of your power plugs, providing greater flexibility in equipment placement.