Nsi It-250 Series It Insulated-Tap Connector For Two Wires And, 2.12" Length NSI IT series insul-tap connectors are suitable for connecting two wires. which are provided with open wire entry ports on both sides of the connector, which allows for access from either side. This style is supplied with removable access plugs to close the entry port not being utilized. Abrasion and chemical resistant. UV rated. Will not support combustion. Cold temperature rated to -45 degrees C. Dual rated for use with copper and/or aluminum cables. 600 volts. 90 degrees C. Not recommended for fine-stranded, flexible wire. UL listed. Insul-Tap connectors are suitable for connecting two wires Cold temperature rated to -45 degrees C Abrasion and chemical resistant.Material:Plastisol UV rated Measures 2.12-inches length by 2.31-inches width by 2.13-inches height