UltraContact Wire Connectors are perfect for all your termination needs. These twist-on wire connectors feature a tactile grip design for the easy twist and termination of wires, even when wearing gloves. Creating terminations will now be swifter than ever. The connector shell is lined with a current carrying thread to ensure a sound and secure positive connection between adjoining wires. The rugged outer shell is thermoplastic and flame-retardant allowing it to withstand the harshest of environments, ultimately protecting your electrical infrastructure. UltraContact Wire Connectors are CSA-listed and have passed extensive tests that align with Canadian electrical standards. Specifications: yellow in colour; size medium; size number 33; 100 pieces per jar.