14 Ga primary wire 4 rolls at 100' per roll Color: Red, Black, Blue, Yellow Single Conductor, Stranded Copper Clad Aluminum (0.2 mm dia/strand, 54 strands) Insulated and Jacketed in flexible PVC. Rated to 105 C Perfect for 12V Automotive, Car Radio Audio Speaker, Home Theater, low voltage LED Light (6 to 80 volt) IMPORTANT: DO NOT use for building / household 110 / 220 V ac wiring WIDELY USE: Automotive, Speaker, Indoor Lighting, Home Theatre, Robotics and so on.