British Standard cables BS6622 and BS7835 are manufactured in voltages to 11kV for power distribution networks. They use aluminium wire armour (AWA) for single core cables and steel wire armour (SWA) for multicore cables. The armouring on the cable provides robust mechanical protection making these 11kV cables suitable for direct burial in the ground.
Armoured Medium Voltage power cables can be supplied with copper conductors or with aluminium conductors upon request to the same standard. The copper conductors are stranded (Class 2) whereas the aluminium conductors are compliant to the standard using both stranded and solid (Class 1) constructions.