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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-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, 1-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 degree F
UL listed to 486C and CSA certified to C22.2 #188
Pre-filled antioxidant compound prevents oxidation of aluminum conductors
Approved for bonding and grounding applications
Twister AL/CU wire connectors are designed as a one-use only connection - do not reuse
Minimum wire capacity: 1 #12 Al with 1 #18 Cu
Electrical product type: wire connector
Maximum wire capacity: 1 #10 Al solid with 2 #10 Cu solid warranty/certifications
Certifications and listings: UL listed to 486C and CSA certified to C22.2 #188