Construction: sector-shaped conductors, waveform copper wire concentric providing combined neutral and earth Conductor: aluminium (copper on request) Sizes: 95 to 300mm² (95, 185, 300), 3 or 4 core Networks: supplied to each network's own spec, e.g. UKPN, NGED, SSE, SPEN, ENWL, NPg, plus IDNO Options: PVC, MDPE or LSOH sheath, cut to length, supplied on drum Standard: BS 7870-3.40