| Nominal Conductor Diameter | mm | 0.9 | 0.5 | 0.5 | 0.5 |
| BT Drop Wire Reference | No.12 | No.10 | No.10B | CAD55M | |
| Standard | CW 1406 | CW 1378 | CW 1411 | CW 1417 | |
| Number of Pairs | 1 | 2 | 2 | 4 | |
| Maximum Conductor Resistance @20°C | 28 | 95 | 95 | 95 | |
| Minimum Insulation Resistance @500V DC | 10000 | 100 | 10000 | 10000 | |
| Breaking Load | N | 1350-1550 | 1350-1550 | 1350-1550 | 1350-1550 |
| Maximum Mutual Capacitance @0.8KHz-3.0KHz | nF/km | - | 100 | 56 | 56 |
| Maximum Capacitance Unbalance pair-to-pair | pF/500m | - | 500 | 275 | 300 |
| CW 1406 Pair 1: Orange/White | |
| CW 1411 Pair 1: Orange/White | Pair 2: Green/Black |
| CW 1417 Pair 1: Orange/White | Pair 2: Red/Grey |
| Pair 3: Blue/Brown | Pair 4: Green/Black |
| CW 1378 Pair 1: Orange/White | Pair 2: Green/Black |