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All Aluminum Conductor AAC BS EN 50182 - Cost-Effective Solution from China Suppliers and Factory
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Aluminum Stranded Conductor (AAC) Specification
| Code Name | Old Code Name | Sectional Area | Wire Diameter & Stranding | Diameter of Conductor | Nominal Breaking Load | Linear Mass | Maximum Resistance at 20℃ | |
|---|---|---|---|---|---|---|---|---|
| mm² | mm | No. | mm | kN | kg/km | Ω/km | ||
| 23-AL1 | MIDGE | 23.3 | 2.06 | 7 | 6.18 | 4.2 | 63.9 | 1.2449 |
| 27-AL1 | GNAT | 26.9 | 2.21 | 7 | 6.63 | 4.83 | 73.5 | 1.0643 |
| 37-AL1 | MOSQUITO | 36.9 | 2.59 | 7 | 7.77 | 6.27 | 101.0 | 0.7749 |
| 43-AL1 | LADYBIRD | 42.8 | 2.79 | 7 | 8.37 | 7.28 | 117.2 | 0.6678 |
| 53-AL1 | ANT | 52.8 | 3.10 | 7 | 9.3 | 8.72 | 144.7 | 0.5409 |
| 64-AL1 | FLY | 63.6 | 3.40 | 7 | 10.2 | 10.49 | 174.0 | 0.4497 |
| 74-AL1 | BLUEBOTTLE | 73.6 | 3.66 | 7 | 10.98 | 11.78 | 201.7 | 0.3880 |
| 79-AL1 | EARWIG | 78.6 | 3.78 | 7 | 11.34 | 12.57 | 215.1 | 0.3638 |
| 84-AL1 | GRASSHOPPER | 84.1 | 3.91 | 7 | 11.73 | 13.45 | 230.2 | 0.3400 |
| 96-AL1 | CLEGG | 95.6 | 4.17 | 7 | 12.51 | 15.30 | 261.8 | 0.2989 |
| 106-AL1 | WASP | 106.0 | 4.39 | 7 | 13.17 | 16.95 | 290.1 | 0.2697 |
| 106-AL1 | BEETLE | 106.4 | 2.67 | 19 | 8.01 | 18.08 | 292.7 | 0.2701 |
| 132-AL1 | BEE | 132.0 | 4.90 | 7 | 14.7 | 21.12 | 361.5 | 0.2165 |
| 158-AL1 | HORNET | 157.6 | 3.25 | 19 | 16.25 | 26.01 | 433.7 | 0.1823 |
| 186-AL1 | CATERPILLAR | 185.9 | 3.53 | 19 | 17.65 | 29.75 | 511.7 | 0.1546 |
| 213-AL1 | CHAFER | 213.2 | 3.78 | 19 | 18.9 | 34.12 | 586.7 | 0.1348 |
| 238-AL1 | SPIDER | 237.6 | 3.99 | 19 | 19.95 | 38.01 | 653.7 | 0.1210 |
| 266-AL1 | COCKROACH | 265.7 | 4.22 | 19 | 29.54 | 42.52 | 731.2 | 0.1081 |
| 323-AL1 | BUTTERFLY | 322.7 | 4.65 | 19 | 32.55 | 51.63 | 887.9 | 0.0891 |
| 373-AL1 | MOTH | 373.1 | 5.00 | 19 | 35 | 59.69 | 1026.5 | 0.0770 |
| 372-AL1 | DRONE | 372.4 | 3.58 | 37 | 25.06 | 59.59 | 1027.2 | 0.0774 |
| 415-AL1 | CENTIPEDE | 415.2 | 3.78 | 37 | 26.46 | 66.43 | 1145.2 | 0.0695 |
| 486-AL1 | MAYBUG | 486.1 | 4.09 | 37 | 28.63 | 77.78 | 1340.8 | 0.0593 |
| 530-AL1 | SCORPION | 529.8 | 4.27 | 37 | 29.89 | 84.77 | 1461.4 | 0.0544 |
| 628-AL1 | CICADA | 628.3 | 4.65 | 37 | 41.85 | 100.54 | 1733.1 | 0.0459 |
Note: The outermost layer is twisted to the right (Z).
Frequently Asked Questions (FAQ)
What is an Aluminum Stranded Conductor (AAC)?
AAC (All Aluminum Conductor) consists of refined aluminum wires stranded in concentric layers. It is primarily used in urban overhead power distribution lines where spans are relatively short but high conductivity is required.
What do the insect-based old code names (like MIDGE, WASP, BEETLE) mean?
These standard British codenames (such as MIDGE, GNAT, WASP) are traditionally used in the electrical industry to simplify ordering and referencing specific physical sizing, stranding configurations, and technical specifications of AAC conductors.
Why is the outermost layer of the AAC conductor twisted to the right (Z-lay)?
A right-hand lay (Z-lay) is the standard direction of stranding for the outer layer of overhead conductors. It ensures mechanical stability, structural integrity during installation, and compatibility with standard hardware fittings and accessories.
How does the stranding number (7, 19, or 37 wires) impact conductor performance?
A higher number of strands (e.g., 37 vs. 7) for a similar sectional area increases the flexibility of the conductor, making it easier to handle and install, though it may slightly alter the total diameter and mechanical breaking strength.
Why is maximum electrical resistance measured specifically at 20℃?
20℃ is the globally recognized standard reference temperature for electrical conductivity measurements. Since aluminum resistance increases as temperature rises, stating the maximum resistance at 20℃ allows for accurate comparison and standardized system design calculations.
















