Paper Insulated Lead Covered Steel Tape Armoured (PILCSTA)

This type of LV cable was installed on the network up to the mid 1970's, prior to the introduction of waveform cable.
Cable Construction
A. Copper or aluminium conductors – 4 x stranded sector shaped
• Large range of conductor sizes on the network 70-300mm2 with an overall diameter range between 38.4 – 66.9mm
B. Layers of paper insulation impregnated with mineral oil compound – thickness 1.2 to 1.6mm between the conductor and sheath
C. Additional (belt) insulation layer
D. Lead sheath, covered with bitumen coated paper and hessian layers, as a bedding for the armour wires
E. Steel tape armours
F. Bitumen coated hessian tape serving (oversheath)