WireTwist^™ Cu-Al Wire Connectors

IDEAL® WireTwist™ Cu-Al Wire Connectors are your trusted solution for challenging retrofit applications. CSA-certified for aluminum-to-copper connections, this unique twist-on connector is pre-filled with an antioxidant compound to prevent oxidation and ensure a cooler, more secure connection. The long entry cap keeps the compound inside while enhancing dielectric strength. Swept wings and a flexible, durable shell allow for a comfortable grip and smooth installation. The ribbed cap enables quick, easy installs by hand or with a nut driver. Ideal for retrofitting older residential buildings with aluminum wiring, the Twister® Al/Cu connector delivers reliable performance you can count on.

• AL/CU CONNECTIONS: Supports aluminum-to-copper and copper-to-copper applications from 18 to 10 AWG wire — do not use on aluminum-to-aluminum connections
• RETROFIT APPLICATIONS: Perfect for retrofitting older residential buildings with this one-time use connector
• CORROSION RESISTANCE: Prevents oxidation of aluminum conductors with pre-filled antioxidant compound
• PROTECTIVE SKIRT: Extended opening retains the antioxidant compound inside while increasing dielectric strength
• HIGH-LEVERAGE WINGS: Engineered with comfortable wings, reducing your hand strain when twisting
• EASY INSTALLATION: Hexagonal, ribbed cap allows for faster installation using a standard 5/16″ nut driver
• LIVE-ACTION SPRING: Installs smoothly with a spring that expands and contracts with the aluminum wiring, delivering superior hold strength and quick take-up
• IMPACT STRENGTH: Durable copolymer shell withstands grabbing and pulling from tools
• SECURE CONNECTIONS: UL-Listed to 486C and CSA-Certified to C22.2 #188 for aluminum-to-copper connections up to 600V, as well as the only twist-on solution to comply with NEC Section #110-14 (b)
• SINGLE-USE: Designed for single-use only – do not reuse the connector