391440-WH005 is a single-conductor 14 AWG hookup wire with silicone rubber insulation designed for high-voltage applications. The wire features a tinned copper conductor with a nominal insulation wall thickness of 0.040 inches and an overall diameter of 0.154 ± 0.004 inches, meeting UL AWM/STYLE 3239 specifications. It is rated for continuous operation at temperatures from -40°C to 150°C with a voltage rating of 10,000 V DC and a maximum pull tension of 32 lbs. The wire exhibits low conductor DC resistance of 2.8 O/1000 ft at 20°C and nominal inductance of 0.06 µH/ft, with a minimum bend radius of 10 times the cable diameter. This product is ideal for high-voltage interconnections in industrial equipment, test instrumentation, and aerospace applications where reliable performance under extreme temperature and voltage conditions is required.