Original Ds4.f Inline Fuse Connector Ip68 20a (4.0mm26.0mm2 / 12awg 10awg) These Solar Connectors From Trina Are Designed For Use With 12 And 10 Awg Wire And Have A Ul Rated Voltage Of 1000v . See Links Below Forelated Parts And The User Manual. Trina Part Numbers Ts4-m4 Ts4-f4 Use Of High Quality Materials That Guarantee Long-termeliability Lower Contactesistance And Higher Current Transfer Capability Ensure High Product Efficiency Ts4 Connectors Have Ip68 Water-proofating And Can Be Used In A Wide Operating Temperatureange From -40 °c To 85 °c Rated Impulse Voltage 100volt Copper Tin -platedwaterproof Uvesistance