These conductors are formed by several wires of aluminium, stranded in concentric layers.
All the wires have the same nominal diameter. Most common constructions consist of 7, 19, 3 7 and 61 wires.
Code Word |
Aluminium Area (sq mm) | Stranding & Wire Diameter | Overall Dia (mm) (Approx) |
Mass (Approx) (Kg /Km) |
Resistance AT 20 deg C (Ohms/Km) (Max) |
Ultimate Breaking Load (Kn) |
Current Carrying Capacity | ||||
Nominal |
Sectional |
Conductor | 65 Deg. C |
75 Deg. C |
90 Deg. C |
||||||
No. | DIA (mm) | Amps | Amps | Amps | |||||||
Gnat | 25 | 26.85 | 7 | 2.21 | 6.63 | 74 | 1.096 | 4.52 | 107 | 152 | NA |
Ant | 50 | 52.83 | 7 | 3.1 | 9.3 | 145 | 0.5525 | 8.25 | 180 | 225 | NA |
Wasp | 100 | 106.00 | 7 | 4.39 | 13.17 | 290 | 0.2752 | 15.96 | 292 | 365 | NA |
19/3.18 mm | 150 | 150.90 | 19 | 3.18 | 15.90 | 415 | 0.1942 | 23.28 | 363 | 460 | NA |
Spider | 240 | 237.60 | 19 | 3.99 | 19.95 | 654 | 0.1235 | 35.74 | 495 | 510 | NA |
Butterfly | 300 | 322.70 | 19 | 4.65 | 23.25 | 888 | 0.09107 | 48.74 | 600 | 760 | NA |
Code Word |
Aluminium Area (sq mm) | Stranding & Wire Diameter | Overall Dia (mm) (Approx) |
Mass (Approx) (Kg /Km) |
Resistance AT 20 deg C (Ohms/Km) (Max) |
Ultimate Breaking Load (Kn) |
Current Carrying Capacity | ||||
Nominal |
Sectional |
Conductor | 65 Deg. C |
75 Deg. C |
90 Deg. C |
||||||
No. | DIA (mm) | Amps | Amps | Amps | |||||||
Rose | 20.89 | 21.12 | 7 | 1.96 | 5.88 | 58 | 1.362 | 385 | 100 | 124 | Na |
Lady Bird | 42.33 | 42.80 | 7 | 2.79 | 8.37 | 117 | 0.6721 | 737 | 159 | 198 | Na |
Fly | 62.86 | 63.55 | 7 | 3.40 | 10.20 | 174 | 0.4526 | 1051 | 207 | 260 | Na |
Blue Bottle | 72.84 | 73.65 | 7 | 3.66 | 10.95 | 201 | 0.3936 | 1203 | 225 | 284 | Na |
Earwig | 77.70 | 78.55 | 7 | 3.78 | 11.34 | 215 | 0.3662 | 1272 | 238 | 300 | Na |
Grass Hopper | 83.13 | 84.05 | 7 | 3.91 | 11.73 | 230 | 0.3422 | 1356 | 250 | 312 | Na |
Clegg | 94.56 | 95.60 | 7 | 4.17 | 12.51 | 261 | 0.3009 | 1523 | 270 | 335 | Na |
Caterpiller | 183.00 | 186.00 | 19 | 3.53 | 17.65 | 511 | 0.1555 | 2985 | 420 | 530 | Na |
Chaffer | 209.90 | 213.20 | 19 | 3.78 | 18.90 | 586 | 0.1356 | 3381 | 460 | 580 | Na |
Cockroach | 261.50 | 265.80 | 19 | 4.22 | 21.10 | 730 | 0.1088 | 4144 | 530 | 670 | Na |
Moth | 367.20 | 373.10 | 19 | 5.00 | 25.00 | 1025 | 0.0774 | 5695 | 654 | 828 | Na |
Locust | 421.90 | 428.70 | 19 | 5.36 | 26.80 | 1176 | 0.0674 | 6516 | 711 | 904 | Na |
May Bug | 473.60 | 486.10 | 37 | 4.09 | 28.63 | 1343 | 0.0598 | 7289 | 764 | 970 | Na |
Scorpion | 518.40 | 529.80 | 37 | 4.27 | 29.89 | 1464 | 0.0548 | 7878 | 805 | 1030 | Na |
Iris | 33.45 | 33.81 | 7 | 2.48 | 7.44 | 92 | 0.8506 | 582 | 121 | 162 | NA |
Pansy | 42.02 | 42.49 | 7 | 2.78 | 8.34 | 116 | 0.6770 | 730 | 159 | 198 | Na |