Ideal test lead wire for building Do-It-Yourself (DIY) test leads, patch cords, and test fixtures. Silicone is the best test lead jacket material, combining high flexibility, even at low temperatures, with resistance to burns and chemicals. The jacket features a durable colored outer layer with an inner white layer for cut or wear visibility. The conductor is highly stranded soft bare copper for additional flexibility. 18 AWG (0.75 sq mm) Silicone jacket, 12 A. Meets the safety requirements of IEC 61010-031 1000 V CAT IV. IEC rating: 1000 V CAT IV. Maximum current: 12A. Jacket material: silicone. Conductor area: 0.75 sq mm. Wire gauge: 18 AWG. Stranding: #195 x 0.07mm diameter. Temperature: -60 to +180 degree C. RoHS (2002/95/EC) compliant. Measures 3.7mm outside diameter by 10m length. Yellow color.