TABLE 1 – HV CABLE CURRENT CARRYING CAPACITIES Nominal conductor Cross-section (sq.mm) Allowable Current when installed underground (A) (Armoured) Allowable Current when installed underground (A) (Armoured) Allowable Current when installed in air (A) (Armoured) Allowable Current when installed in air (A) (Armoured) Remarks 1 core 3 cores 1 core 3 cores 50 - 181 - 205 70 - 220 - 253 95 - 263 - 30..