Ensure secure and reliable wire connections with the Weidmuller Wire End Ferrule. Designed for 12 AWG conductors, this insulated ferrule features a polypropylene insulation and a robust electro-galvanized cathode copper contact. Its gray color and heat resistance up to 221 deg F (105 deg C) make it suitable for various applications. The ferrule offers a 4 sq-mm conductor cross-section and a 17 mm overall length for efficient wire termination.This Weidmuller Wire End Ferrule, model H4.0/17D, is designed for 12 AWG conductors with a nominal cross-section of 4 mm². It features insulated polypropylene insulation and an electro-galvanized cathode copper contact. The ferrule has an overall length of 17 mm, a collar diameter of 4.8 mm, and a contact surface diameter of 2.8 mm. The metal sleeve thickness is 0.2 mm, and the plastic collar thickness is 0.3 mm. It is rated for temperatures up to 221 deg F (105 deg C) and has a stripping length of 12 mm. The ferrule is gray in color and is UL E354986, CSA Certified, cULus Listed, RU, and RoHS Compliant.