Fire test methods Fire test methods for electrical wires and cables Designation Flame temperature Test duration Conditions EN 50265-2-1 IEC 60332-1 Determined by the prescribed adjustment of the flame. cable dia D ≤ 25 mm: 60 s cable dia 25 < D ≤ 50 mm: 120 s The cable shall be self extinguishing. The damage by fire shall be more than 50 mm from the top fastening clamp. EN 50265-2-2 IEC 60332-2 Determined by the prescribed adjustment of the flame. 20 s The cable shall be self extinguishing. The damage by fire shall be more than 50 mm from the top fastening clamp. 55 45° 100 600 180 125 600 10 100 45° Designation Flame temperature Test duration Conditions EN 50266-2-4 IEC 60332-3-24 Determined by the prescribed propane gas and air volumes. cat. A (7 l compustible material): 40 min. cat. B (3.5 l compustible material): 40 min. cat. C (1.5 l compustible material): 20 min. The damage by fire shall be maximum 2.5 m from the lower burner end. NF C32-070 test 2 UIC 895 VE appendix 7 830 ± 50 °C 30 min. The cable piece projecting from the pipe shall be not damaged. fan min. 250 75 air 86 HUBER+SUHNER Wires and cables 500 100 3500 1600 30 800 pipe dia. 125 ignition flame oven air air
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