Permissible current loads on cables
cores (mm 2 ) | Armored and non-armored wires and cables | |||||||||
Single-core | Two-core | Three-core | ||||||||
when laying | ||||||||||
in the air | in the air | in the ground | in the air | in the ground | ||||||
Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | |
1.5 | 23 | 19 | 33 | 19 | 27 | |||||
2.5 | thirty | 23 | 27 | 21 | 44 | 34 | 25 | 19 | 38 | 29 |
4 | 41 | 31 | 38 | 29 | 55 | 42 | 35 | 27 | 49 | 38 |
6 | 50 | 38 | 50 | 38 | 70 | 55 | 42 | 32 | 60 | 46 |
ten | 80 | 60 | 70 | 55 | 105 | 80 | 55 | 42 | 90 | 70 |
16 | 100 | 75 | 90 | 70 | 135 | 105 | 75 | 60 | 115 | 90 |
25 | 140 | 105 | 115 | 90 | 175 | 135 | 95 | 75 | 150 | 115 |
35 | 170 | 130 | 140 | 105 | 210 | 160 | 120 | 90 | 180 | 140 |
50 | 215 | 165 | 175 | 135 | 265 | 205 | 145 | 110 | 225 | 175 |
70 | 270 | 210 | 215 | 165 | 320 | 245 | 180 | 140 | 275 | 210 |
95 | 330 | 255 | 260 | 200 | 385 | 295 | 220 | 170 | 330 | 255 |
120 | 385 | 295 | 300 | 230 | 445 | 340 | 260 | 200 | 385 | 295 |
150 | 440 | 340 | 350 | 270 | 505 | 390 | 305 | 235 | 435 | 335 |
185 | 510 | 390 | 405 | 310 | 570 | 440 | 350 | 270 | 500 | 385 |
240 | 605 | 465 |