GOST R IEC 60331-11-2003 Tests for electric and optical fibre cables under fire conditions. Circuit integrity. Part 11. Apparatus. Fire alone at a flame temperature of at least 750 °C
2012GOST R IEC 60331-11-2012 Tests for electric and optical cables under fire conditions. Circuit integrity. Part 11. Apparatus. Fire alone at a flame temperature of at least 750 °C
2003GOST R IEC 60331-11-2003 Tests for electric and optical fibre cables under fire conditions. Circuit integrity. Part 11. Apparatus. Fire alone at a flame temperature of at least 750 °C