TABLE 7

CURRENT CARRYING CAPACITIES OF THREE CORE AND FOUR CORE 0.6/1KV INSULATED AND SHEATHED (INCLUDING COPPER BRAID SCREENED) FLEXIBLE CABLES WITH OR WITHOUT EARTH CONDUCTOR, WITH R-90 OR X-90 INSULATION

1 2 3 4 5
Conductor size Current-carrying capacity, A
Unenclosed     Enclosed
Spaced

Touching

Exposed to
Sun 
Wiring enclosed
in air

mm2 Cu Cu Cu Cu
1 18 17 14 15
1.5 22 21 19 19
2.5 30 29 24 25
4 40 37 32 32
6 51 47 41 41
10 73 67 57 57
16 96 89 76 74
25 128 119 101 98
35 158 149 124 122
50 200 187 156 150
70 253 235 195 190
95 303 282 232 222
120 360 333 273 266
150 413 383 311 301
185 471 436 352 345
240 562 519 417 417
300 642 593 473 -
400 761 702 554 -
500 873 803 630 -

These ratings are based on 30°C ambient air temperature and 15°C ambient soil temperature. Maximum conductor temperature 90°C. Copyright Standard New Zealand 2011. This data is based on content from Table 7, AS/NZS 3008.1.2:2010. For other conditions refer to the Standard for full details.

APPROX. DE-RATING FOR DIFFERENT AMBIENT TEMP. °C 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
Factor 1.15 1.12 1.08 1.04 1.00 0.96 0.91 0.87 0.82 0.76 0.65 0.58 0.50 0.41 0.29

Copyright Standards New Zealand 2011. Selected tables from AS/NZS 3008.1.2:2010 Electrical installations - Selection of cables - Cables for alternating voltages up to and including 0.6/1 kV - Typical New Zealand conditions have been reproduced with permission from Standards New Zealand under Licence. Please refer to Standards New Zealand for the complete Standard available for purchase at www.standards.co.nz.

Firstflex has taken every precaution to ensure accurate information in this catalogue but accept no liability for any errors or omissions. Firstflex reserves the right to modify specifications at any time.