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Table 4E4B | Voltage Drop (per ampere per metre):Conductor Operating Temperature: 90°C

    Voltage Drop (per ampere per metre):

    Conductor Operating Temperature: 90°C
    Conductor
    cross-sectional area    		 Two-core cable d.c. Two-core cable, single-phase a.c. Three- or four-core cable, three-phase a.c.
    1 2 3 4
    (mm2) (mV/A/m) (mV/A/m) (mV/A/m)
    1.5 31 31 27
    2.5 19 19 16
    4 12 12 10
    6 7.9 7.9 6.8
    10 4.7 4.7 4.0
    16 2.9 2.9 2.5


    		r x z r x z
    25 1.85 1.85 0.160 1.90 1.60 0.140 1.65
    35 1.35 1.35 0.155 1.35 1.15 0.135 1.15
    50 0.98 0.99 0.155 1.00 0.86 0.135 0.87
    70 0.67 0.67 0.150 0.69 0.59 0.130 0.60
    95 0.49 0.50 0.150 0.52 0.43 0.130 0.45
    120 0.39 0.40 0.145 0.42 0.34 0.130 0.37
    150 0.31 0.32 0.145 0.35 0.28 0.125 0.30
    185 0.25 0.26 0.145 0.29 0.22 0.125 0.26
    240 0.195 0.20 0.140 0.24 0.175 0.125 0.21
    300 0.155 0.16 0.140 0.21 0.140 0.120 0.185
    400 0.120 0.13 0.140 0.190 0.115 0.120 0.165

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