HENGYI Nema L14-30P to 6-50R Adapter Cable 125/250V Heavy Duty STW 10AWG 6-50 Welder Adapter, 30A Generator L14-30P to Welder 6-50R 50A Lock in 30Amp to 50Amp Welder,1.5-FeetAbout this item1.PRODUCT APPLICATION-Heavy-Duty Lock in NEMA L14-30P (30AMP 125/250Volt) male to Nema 6-50R (50AMP/250Volt) Female ac power adapter cable.2.TWIST LOCKING DESIGN- the plug Compatible with any generator equipped with a L6-30 receptacle.And the lock is designed to prevent falling off in bad weather.3.THE MATERIAL- is waterproof, the temperature resistance level can reach 105℃ with the FT-1 level . the cold resistance level is -40℃, indoor and outdoor can be used all year round.4.UL LISTED - The cord has passed UL certification ensure that the product meets a nationally recognized safety standard.5.CUSTOMER SATISFACTION & PRODUCT QUALITY ARE OUR FIRST PRIORITY- if you have any question about our products and service, please feel free to contact us, we will reply within 24 hours.