Nylon fully insulated female disconnects, .250". 16-14 g., Blue. Sold in packs of 100. Barrel Seam: Butted Maximum Voltage Rating: 600 V Building Wire, 1000 V signs or fixtures (Luminaires) Maximum Operating Temp: 221°F (105°C) Maximum Current: Same as Wire Insulator Material: Nylon Terminal Material: Brass Plating: Tin