Panduit, JN218-216-MN, Wire Joint, Insulated, 600 V, #22 to #14 Wire, 0.78 in Length, 11.1 mm Wire Strip Length, 221 deg F, For Use With: CT-100, CT-1550, CT-1551, CT-2500/L (CT-2550CH), Specifications: Nylon Insulation Material, Brass, Clear, Tin Plated