UTX features RADSOK contacts in cold formed and stamped and formed versions with 0.25 mΩ low contact resistance, accepts wire gauges from 14 AWG/2.5 mm² to 8 AWG/10 mm², and is environmentally sealed against moisture and contaminants to the IP68 standard in the mated condition. This series of connectors is triple-certified to UL 1500V, TUV 1500V - Class A (all access), and JET 1500V. The UTX is RoHS, REACH, PAHS, and Halogen-free compliant, meets the UL94 V-0 self-extinguishing requirements, and is current with NEC code 2014 with no locking sleeve required. The connector has a wide operating temperature range (-40°C to 90°C) and mates with existing H4s and the typical PV industry standard.