Spring action plug provides cord grip for easy storage on appliances such as vacuum cleaners, fans, etc. Made of high impact-resistant thermoplastic for long-term durability. Cord diameter 0.328". Listed to UL 498 (file no. E15012) NOM Certified. Meets flammability requirements per UL 94, VO rated. Temperature rating: -20 degrees C to 60 degrees C. NEMA 1-15.