Wuhan Unique Mechanical And Electrical Equipment Co.,LTD.
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BS 6004 Cable Fixed Wiring Cable Type 624Y Twin and Earth PVC Cable
APPLICATION
Domestic wiring cable. Can be installed in fixed installations
in dry or damp premises clipped to surface, on trays or in free air where the risk of mechanical damage would not be an issue. Suitable for laying in conduit or trunking where mechanical protection is required.
CONSTRUCTION
Conductor
Copper conductor according to BS EN 60228 (previously BS 6360)
1mm² to 2.5mm²: Class 1 solid conductor 4mm² to 16mm²: Class 2 stranded conductor
Circuit Protection Conductor (Earth)
1mm² to 2.5mm²: Class 1 solid copper conductor 4mm² to 16mm²: Class 2 stranded copper conductor
Insulation
PVC (Polyvinyl Chloride) Type TI1 according to BS EN 50363
Sheath
PVC (Polyvinyl Chloride) Type 6 according to BS 7655
CABLE STANDARDS
BS 6004 Table 4
CHARACTERISTICS
Voltage Rating (Uo/U) 300/500V
Temperature Rating
-5°C to +70°C
Short Circuit : +160°C
Minimum Bending Radius
Fixed: 6 x overall diameter
DIMENSION
| UNIQUE PART NO. | NO. OF CORES | NOMINAL CROSS SECTIONAL AREA | CONDUCTOR CLASS | CROSS SECTIONAL AREA OF EARTH CONDUCTOR | NOMINAL THICKNESS OF INSULATION | NOMINAL THICKNESS OF SHEATH | NOMINAL OVERALL DIMENSIONS | NOMINAL WEIGHT |
| mm² | mm² | mm | mm | mm | kg/km | |||
| UNBVVB2X1WG | 2 | 1 | 1 | 1 | 0.6 | 0.9 | 4.35 x 7.95 | 68 |
| UNBVVB2X1.5WG | 2 | 1.5 | 1 | 1 | 0.7 | 0.9 | 4.85 x 8.9 | 87 |
| UNBVVB2X2.5WG | 2 | 2.5 | 1 | 1.5 | 0.8 | 1 | 5.65 x 10.65 | 120 |
| UNBVVB2X4WG | 2 | 4 | 2 | 1.5 | 0.8 | 1 | 6.3 x 11.95 | 172 |
| UNBVVB2X6WG | 2 | 6 | 2 | 2.5 | 0.8 | 1.1 | 7.1 x 13.7 | 235 |
| UNBVVB2X10WG | 2 | 10 | 2 | 4* | 1 | 1.2 | 8.7 x 17.25 | 373 |
| UNBVVB2X16WG | 2 | 16 | 2 | 6* | 1 | 1.3 | 9.85 x 20 | 530 |
| UNBVVB3X1WG | 3 | 1 | 1 | 1 | 06 | 0.9 | 4.35 x 9.8 | 91 |
| UNBVVB3X1.5WG | 3 | 1.5 | 1 | 1 | 0.7 | 0.9 | 4.85 x 11.2 | 115 |
CONDUCTORS
Class 1 Solid Conductors for Single Core and Multi-Core Cables
| NOMINAL CROSS SECTIONAL AREA mm² |
MAXIMUM RESISTANCE OF CONDUCTOR AT 20ºC |
| Plain Wires ohms/km |
|
| 1 | 18.1 |
| 1.5 | 12.1 |
| 2.5 | 7.41 |
Class 2 Stranded Conductors for Single Core and Multi-Core Cables
| NOMINAL CROSS SECTIONAL AREA mm² |
MINIMUM NO. OF WIRES IN CONDUCTOR | MAXIMUM RESISTANCE OF CONDUCTOR AT 20ºC |
| Annealed Copper Conductor | ||
| Circular | Plain Wires ohms/km |
|
| 4 | 7 | 4.61 |
| 6 | 7 | 3.08 |
| 10 | 7 | 1.83 |
| 16 | 7 | 1.15 |
ELECTRICALCHARACTERISTICS
Current Carrying Capacity and Voltage Drop
| NOMINAL CROSS SECTIONAL AREA mm² |
REFERENCE METHOD A* (IN CONDUIT IN WALL) Amps |
REFERENCE METHOD C* (CLIPPED DIRECT) Amps |
VOLTAGE DROP mv/A/m |
| 1 | 11.5 | 16 | 44 |
| 1.5 | 14.5 | 20 | 29 |
| 2.5 | 20 | 27 | 18 |
| 4 | 26 | 37 | 11 |
| 6 | 32 | 47 | 7.3 |
| 10 | 44 | 64 | 4.4 |
| 16 | 57 | 85 | 2.8 |
Note
A* For full installation method refer to Table 4A2 Installation Method 2 but for flat twin and earth cable of the 17th Edition of IEE Wiring Regulations.
C* For full installation method refer to Table 4A2 Installation Method 20 but for flat twin and earth cable of the 17th Edition of IEE Wiring Regulations.