3M™ Scotchlok™ Electrical IDC 314U-BIN is a copper electrical connector capable of connecting two or three wire ends, solid or stranded copper wire, in a pigtail application and insulating the connection. The wire range for the tin-plated-brass electrical IDC is 22-14 AWG solid or stranded, tinned or untinned (0.5-1.5 mm2) copper conductors. Made for use with common thermoplastic insulated wires (T, TF, TFF, TFN, TFFN, AWM, TEW, SAE-GPT) with a maximum insulation diameter of .150 inches (3.8 mm). When used for general purpose applications, the maximum recommended current is 22 AWG - 3 AMPS, 20 AWG - 5 AMPS, 18 AWG - 7 AMPS, 16 AWG - 10 AMPS, 14 AWG - 15 AMPS. 3M™ Scotchlok™ Electrical IDC 314U-BIN is UL Listed, tested per UL Standard 486C and CSA Certified.