Paper Insulated Lead Covered Steel Wire Armoured (PILCSWA)

This was the main 11kV circuit cable installed on the network up to the early 1980's, prior to the introduction of PICAS cable.
Cable Construction
A. Aluminium or Copper conductors – 3 x stranded sector shaped on 70mm2 cable and above, round conductors below 70mm2.
• Large range of conductor sizes on the network 16-300mm2 with an overall diameter range between 40.3 - 71.6mm
B. Layers of paper insulation impregnated with mineral oil compound
C. Figs. 1 & 2 Additional (belt) insulation layer
D. Lead sheath, covered with bitumen coated paper and hessian layers, as a bedding for the armour wires
E. Steel wire armours
F. Bitumen coated hessian tape serving (oversheath)
G. Fig 3. Shows a screened cable with a conductive layer applied over each core.