Insulated butt splice connectors are designed to insulate and protect electrical connections from wire pull-outs, abrasion, and mechanical abuse. They are suitable for 16-14 AWG wires and feature a blue color. The connectors have a seamless barrel with a flared configuration. They are made of tin-plated copper with vinyl insulation. With a maximum electrical rating of 105C and 600 volts, these connectors can handle a maximum electrical current of 30 AMP. They are UL recognized, CE certified, and RoHS compliant.