Electric cables - Low voltage energy cables of rated voltages up to and
including 450/750 V (U0/U) - Part 3-21: Cables with special fire
performance - Flexible cables with halogen-free crosslinked insulation,
and low emission of smoke
Specifications for particular types of winding wires - Part 69:
Polyester or polyesterimide overcoated with polyamide-imide enamelled
rectangular aluminium wire, class 220