Extruded 6 ft. aluminum track with 20-amp rated flat, solid integral conductors.These tracks can be joined together using any of the track connectors. Available in four colours: Black, white, brushed brass and brushed nickel. Low profile aesthetic design. Solid 12-gauge conductors. Polarity groove on ground wire side. Surface or stem mounted (mounting hardware supplied). 0.030 die cast aluminum construction with 0.045 PVC insulators holding 12 gauge flat conductor wiring. Polarity groove is located on face of track to indicate location of grounding conductor. Single circuit track is available for 120V applications. Single hot and neutral conductors are rated for 20 Amps per branch circuit. Copper electrical conductors are concealed in an insulating thermo plastic low profile track cross-section.