Applications: Wiring Burglar & Security alarms, public address systems, intercoms, telephone stations, speakers, instrumentation, control and other low voltage circuits that are power limited. Code Restrictions : OK for use with all (Non-Fire) power limited circuits except those in risers and plenums. Features: Available in 500ft or 1000ft Tangle-Free Boxes or Spools. Sequential Footage Markings. Construction: Copper Conductors, Genelene Insulation, Flexible Polyvinyl-Chloride jackets. Standard Jacket color: Gray. Conductor color code: Chart 1(up to 12 conductors), Chart 2 (13 Conductors and over).