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SWA cable BS5467 Which industries use SWA Cable?The versatile SWA BS5467 Cable is commonly used across a whole range of industries including building and construction, and rail and transport. The armoured mains cable is also supplied for transmission, distribution and power networks as well as automation and process control systems.
What is the difference between AWA and SWA Cable?Aluminium Wire Armour (AWA) is used in single core cable because it is non-magnetic. When an electric current passes through a cable it produces a magnetic field (the higher the voltage the bigger the field). The magnetic field will induce an electric current in steel armour (eddy currents), which can cause overheating in AC systems. The non-magnetic aluminium armour prevents this from happening. Both AWA and SWA Cables meet the requirements of BS5467.
When would I need to use Low Smoke Zero Halogen (LS0H) SWA Cable (BS6724)?The Low Smoke Zero Halogen (LS0H) SWA Cable is recommended for use in public areas. When exposed to fire, the LS0H sheath emits very low levels of smoke and non-toxic levels of halogen gas (typically under 0.5% HCl emission). LS0H may also be referred to as LSHF (Low Smoke Halogen Free), 0HLS (Zero Halogen Low Smoke), LSZH (Low Smoke Zero Halogen) or HFFR (Halogen Free Flame Retardant).
By what other names is SWA Cable known?Steel Wire Armoured Cable is sometimes referred to as Booklet Armoured Cable or, more generally, as Mains or Power Cable.
Can I use the steel wire armour as earth?Using the steel armour as the only earth is not to be recommended. Although it is possible on power cable up to a certain size, it should only be used as an additional earth. The armour should, however, always be earthed at the supply end to ensure that it cannot become live if the cable is severed or if a fault develops within the cable.
| BS5467, IEC 60502 |
| Black |
| 600/1000V |
| 0°C to +90°C |
| 1.5mm² - 16mm²: 6 x overall diameter 25mm² and above: 8 x overall diameter |
| 1 Core: Brown or Blue2 Cores: Brown, Blue 3 Cores: Brown, Black, Grey 4 Cores: Blue, Brown, Black, Grey 5 Cores: Green/Yellow, Blue, Brown, Black, Grey Alternative core identification: White Cores with Black numbers |
STEEL WIRE ARMOURED CABLE