Standard grade. Connectors meet all UL 498 requirements. Plug blades are firmly embedded in body. Resists chemical attack and stays flexible in extremely low temperatures. Large handle with solid brass blades. Polypropylene, PVC and thermoplastic rubber.Meets flammability requirements per UL 94. 15 amp, 125 volt. -20 to 70° C. SOLD SEPARATELY. NEMA 1-15.