Suitable for speakers and other low voltage applications. Black trace-line on one side of the PVC jacket provides an easy means of identifying the (+) and (-) conductors, eliminating polarity-reversals during installation. Each conductor has 14 strands of 0.20mm� diameter copper wire giving an overall conductor-size of 21AWG. PVC jacket OD is 2 x 2.0mm�. Standard jacket colours are white and grey. Supplied on 100, 250 and 500 metre strong polypropylene reels.