Siemon's Ruggedised Category 6 UTP patch cords are constructed using flame-retardant thermoplastic elastomer (TPE) outer jacket outer jacket over a polyvinyl chloride (PVC) inner jacket. Combined with a -40 to 75°C (-40 to 167°F) temperature range, high flex construction, oil resistant jacket and UL/cUL CM/CMX outdoor rating, they are ideal for use in providing end-to-end Category 6 channel performance in harsh environments.