HEAVY-DUTY PERFORMANCE: IronBox Electric's 6-20 extension cord ensures robust performance and durability. Its fully sealed molded design adds to its resilience, providing maximum protection against wear and tear, making it an essential addition for heavy-duty applications. VERSATILE USAGE: Whether you're on a job site, in a workshop, or powering essential equipment, this extension cord provides seamless connectivity and efficient power transfer. Its compatibility with any generator equipped with a 6-20 receptacle makes it a versatile solution for various power needs.