Plastic Service Cables

The service cables below are used on the network to supply street lighting columns - fig.3, houses - figs. 1 & 4, small blocks of flats, small factory / commercial units - figs. 2,5,6.
Figs. 1 & 2 show combined neutral earth (CNE) cables used on new build installations, to latest wiring regulations.
Figs.3,4,5,6 show separate neutral earth (SNE) cables used on older installations.
Cable Construction
A. Aluminium conductor – sizes available 25 & 35 mm2
• Fig 6. Shows a copper cable available, but not commonly used
B. XLPE insulation
C. Copper wire neutral / earth
D. PVC oversheath
E. Covered neutral conductor
F. Copper earth wire