BS EN ISO 10133:2017 ISO 10133:2012(E)


Table A.2— Conductor cross-sectional area, allowable maximum current and minimum stranding Cross-


sectional area mm2


0,75 1


1,5 2,5 4 6


10 16 25 35 50 70 95


120 150


Allowable maximum current, in amperes, for single conductors at insulation temperature ratings


Minimum number of strands


60 °C 70 °C 85 °C to 90 °C 105 °C 125 °C 200 °C Type A Type B 6 8


12 17 22 29 40 54 71 87


105 135 165 190 220


10 14 18 25 35 45 65 90


120 160 210 265 310 360 380


12 18 21 30 40 50 70


100 140 185 230 285 330 400 430


16 20 25 35 45 60 90


130 170 210 270 330 390 450 475


20 25 30 40 50 70


100 150 185 225 300 360 410 480 520


25 35 40 45 55 75


120 170 200 240 325 375 430 520 560


16 16 19 19 19 19 19 37 49


127 127 127 259 418 418


– –


26 41 65


105 168 266 420 665


1 064 1 323 1 666 2 107 2 107


Conductors with at least Type A stranding shall be used for general craft wiring. Conductors with Type B stranding shall be used for any wiring where frequent flexing is involved in use.


NOTE 1 The tables in IEC 60092 are an alternative to Table A.2.


NOTE 2 Conductor allowable continuous current ratings may be interpolated for cross-sectional areas between those shown above.


© ISO 2012 – All rights reserved


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