GOST IEC 60332-3-21-2011 Tests on electric and optical cables under fire conditions. Part 3-21. Flame spread of vertically-mounted bunched wires or cables. Category A F/R
2011GOST IEC 60332-3-21-2011 Tests on electric and optical cables under fire conditions. Part 3-21. Flame spread of vertically-mounted bunched wires or cables. Category A F/R