IEC 60216-4-2:2000-Electrical insulating materials-Thermal endurance properties-Part 4-2: Ageing ovens-Precision ovens for use up to 300 ?C, IEC TR 61200-52:2013-Electrical installation guide-Part 52: Selection and erection of electrical equipment-Wiring systems, IEC 60364-7-709:2007/AMD1:2012-Amendment 1-Low-voltage electrical installations-Part 7