Our EE4 133 4 gauge wire is part of our Hook Up Wire / Lead Wire line. EE4 133 is a 4 AWG wire with a 133 stranded silver-plated copper conductor and an extruded PTFE insulation. This PTFE Mil-W-16878/5 mil-spec wire is intended for electrical or electronic use in protected applications where high temperatures will be encountered. Weighing approximately 220 lbs/MFT, these wires are easy to install due to their small size and slippery surface. These wires have a voltage rating of 1000 and a temperature range of -60°C to 200°C.