| Jenama | Switchgear parts |
| Nombor Model | Ulat dian yang terpilin |
| Luas penampang nominal | 25mm² |
| Siri | TZX |
Ulat tembaga boleh digunakan sebagai sambungan fleksibel untuk peralatan elektrik, peralatan pemutus litar, ketuhar elektrik, dan bateri.
Ulat tembaga dibuat daripada dawai tembaga bulat berkualiti tinggi (0.05, 0.07, 0.10, 0.12, 0.15, 0.20, 0.25) atau dawai tembaga berlapis timah (0.10, 0.12, 0.15) yang dianyam dalam beberapa helai (13, 16, 24, 36, 40, 48, 64, 96 ingot) melalui anyaman satu lapisan atau pelbagai lapisan.
Resistiviti arus terus (20 ℃) ulat tembaga tidak melebihi 0.022Ω·mm/m, dan resistiviti arus terus (20 ℃) ulat tembaga berlapis timah tidak melebihi 0.0234Ω·mm/m. Sesuai dengan piawaian JB/T6313.2-1992
Sila rujuk jadual untuk spesifikasi model tertentu

| Standard Cross - section () | Calculating Cross - section () | Structure (layers × strands × single - wire diameter (mm)) | Outer dimension - Width (mm) (Width <=) | Outer dimension - Thickness reference (mm) (Thickness <=) | Calculating weight (Kg/km) |
|---|---|---|---|---|---|
| 2 | 2.12 | 5.0 | 0.8 | 21 | |
| 2.5 | 2.54 | 6.0 | 0.8 | 25.4 | |
| 4 | 4.24 | 7.0 | 1.2 | 42.2 | |
| 4.14 | 7.5 | 1.0 | 41.2 | ||
| 6 | 6.24 | 10 | 1.2 | 64.5 | |
| 6.36 | 11.0 | 1.2 | 63.80 | ||
| 8 | 8.45 | 13.0 | 1.2 | 85 | |
| 10 | 10.7 | 14.0 | 1.5 | 108 | |
| 10.60 | 15.0 | 1.5 | 106 | ||
| 10.18 | 16.0 | 1.5 | 102 | ||
| 12 | 12.72 | 18.0 | 1.8 | 128 | |
| 16 | 16.96 | 22.0 | 1.8 | 170 | |
| 20 | 21.20 | 25.0 | 1.8 | 212.50 | |
| 25 | 25.45 | 28.0 | 1.8 | 254 | |
| 25 | 25.45 | 20.0 | 3.5 | 254 | |
| 35 | 33.93 | 40.0 | 2.0 | 340 | |
| 35 | 33.93 | 26.0 | 3.5 | 340 | |
| 50 | 50.87 | 50.0 | 2.0 | 510 | |
| 50 | 50.87 | 30.0 | 3.5 | 510 | |
| 50 | 50.89 | 28.0 | 4.8 | 510 | |
| 75 | 76.34 | 60.0 | 2.0 | 765 | |
| 75 | 76.34 | 32.0 | 5.0 | 765 | |
| 95 | 95.00 | 35.0 | 6.0 | 950 | |
| 100 | 100.09 | 100 | 2.0 | 1000 | |
| 120 | 127.23 | 37.0 | 7.0 | 1271.80 |