The Twister AL/CU wire connector is the only UL Listed aluminum-to-copper twist-on connector. The connector prevents aluminum oxidation while providing a secure connection. Filled with an anti-oxidant compound, the Twister AL/CU easily twists on with swept-wings making a comfortable connection with improved conductivity and cooler connections.
Aluminum-to-copper and copper clad-to-copper twist-on connector - do not use on aluminum-to-aluminum connections
UL Listed and CSA Certified for aluminum-to-copper connections, as well as the only twist-on solution to comply with the National Electric Code Section #110-14(b)
Compact, one-piece design features ribbed cap, swept wings and hexagonal head for easy installation by hand or with standard nutdriver
Live-action, square-wire spring expands and contracts with aluminum wiring
Deep skirt provides maximum dielectric strength
Tough UL 94-Volt-2 flame-retardant shell rated at 221°F
UL Listed to 486C and CSA Certified to C22.2 #188
Pre-filled antioxidant compound prevents oxidation of aluminum conductors
Made in the USA of US and global components