... 3.0 1. UL, RoHS, certified; 2. Twisted Pair, Combined, Stranded; 3. Shielded, or Braided; 4. Ferrites Optional USB Data Cable ... (or Copper clad-steel, or Tinned Copper,etc.)- Conductor Type: Stranded wire- Core Type: Twisted Pair & Single Cable Combined- Insulator: PE (or ...