RS PRO Black 4 mm² Hook Up Wire, 12 AWG, 52/0.3 mm, 100m, PVC Insulation
RS PRO Black 4 mm² Hook Up Wire, 12 AWG, 52/0.3mm, Voltage Rating: 1 kV, Maximum Operating Temperature: +105 (Air) °C, +60 (Oil) °C, Current Rating: 41 A, Conductor Material: Annealed Copper, Standards Met: CSA C22.3 mm, 100m, PVC Insulation, Cable Shape: Single Core, Outer Diameter: 4.