https://www.hitechcontrols.com/cables/control_cable/pvc/jz_600_ul_csa.html

Flexible, Number Coded, 0.6/1kV, UL & CSA Approved, AWG: 20 – 4, RoHS, Deca BDE, Extensively oil resistant For Chemical Resistance, see table Technical Information Resistant to ultra violet rays (building with black jacket), PVC self-extinguishing and flame retardant, cadmium-free, contain no silicone and are free from substances harmful to the wetting properties of lacquers.