Designed for use on earthing circuits within the ship wiring and marine industry 657 SW4 earthing cables are manufactured to BS 6883 and are double insulated for electrical safety.
The outer sheath is colored green/yellow for identification.
CONSTRUCTION
CONDUCTORS: | It is the current carrying component of the cable. |
Material | Stranded, high conductivity plain annealed copper wires as per class 2 in BS 60228 and IEC 60228 Aluminium, stranded, compacted conductors |
INSULATION | The rated voltage level of the cable depends on the dielectric strength and thickness of the insulation |
Material | The insulation of standard wiring cables is PVC grade Type TI 1 of BS 7655 (formerly BS 6746) suitable for a maximum continuous conductor operating temperature of 70˚C. |
CHARACTERISTICS
Voltage Rating: | 450/750 Volts |
Temperature Rating | -5°C to +70°C |
Minimum Bending Radius | Fixed: 6 x overall diameter |
STANDARDS
BS EN 50525-2-31: | For PVC Insulated Wiring |
BS EN 60228 | For conductor |
BS 7655 | For Insulation |
BS EN/IEC 60332-1 | For Flame Retardant |
CORE IDENTIFICATION
1 core: | Red, Black, Yellow, Blue, Green/Yellow. (Other Color as per specified standard can also be manufactured) |
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.
RESOURCES