ГОСТ Р МЭК 60085-2011 Электрическая изоляция. Классификация и обозначение по термическим свойствам

IEC 60216-6

Electrical insulating materials - Thermal endurance properties - Part 6: Determination of thermal endurance indices (Tl and RTE) of an insulating material using the fixed time frame method

IEC/TS 62101

Electrical insulation systems - Short-time evaluation of combined thermal and electrical stresses