25 Feet Power Cable LED Low Voltage Lighting & Solar SJTW 18/2 Sunlight and Water Resistant 12 and 24 Volt DC Power Outside diameter of Jacket 7.4mm Typ. outside diameter of inner conductor insulation 2.8mm Typ. 12 volts DC 10 Amp Max (120 watts), 24 volts DC 10 Amp Max (240 watts) Conductors: 18 Awg (2 PVC insulated conductors red and black) bare copper flexible 41 strand Round cord seals well into standard cord gland / cable grips. COO: China Maximum operating temperature: 105C Dry / 60C Wet