Unistrand 6943xlh steel wire armoured cable per metre unistrand 6944xlh 25mm the unistrand 6943xlh steel wire armoured cable is ideal for use in fixed installations either indoor outdoor laying in ducts embedding in concrete or direct burial the cable has steel wire armour that provides mechanical protection which means the cable can withstand higher stresses unistrand 6944xlh 25mm 4 core steel wire armoured cable per metre