This outdoor extension cord by Southwire® is manufactured from synthetic rubber designed to withstand -40°C to 90°C temperature extremes. It is resistant to flames, deformation, ozone, oil, acid and chemicals. Ideal for motor leads, portable lights, battery chargers, portable stage lights and portable machinery. Industry Approvals: UL Listed SJOOW 300V to NEC Article 400. CSA certified. MSHA approved for flame resistance in mining applications. ROHS Compliant. One-year limited warranty.