GOST IEC 60332-3-22-2011 Tests on electric and optical cables under fire conditions. Part 3-22. Flame spread of vertically-mounted bunched wires or cables. Category A
2011GOST IEC 60332-3-22-2011 Tests on electric and optical cables under fire conditions. Part 3-22. Flame spread of vertically-mounted bunched wires or cables. Category A