4 CORE – Copper PVC Armoured & Unarmoured Power Cables

No. of
cores &
cross
sectional area		 Min No. of Wires Thicknessof PVC insulation (Nom.) Min. Thickness of PVC inner sheath mm
ARMOURED
Nominal
Dimensions of Armour
Strip
mm		 Wire
mm
Min. Thickness of
PVC Outer Sheath
Strip
mm		 Wire
mm
Overall Diameter
(Approx.)
Strip
mm		 Wire
mm
Approx. Net Wt.
of Cable
Strip
(Kg/Km)		 Wire
(Kg/Km)
UNARMOURED
Nom. Thickness of Outer Sheath mm Overall Diameter (Approx) mm Net Wt. of Cable (Approx) Kg/Km
Max. D.C.
Resistance
at 20
Ohms/Km		 Max. A.C.
Resistance
at 70
Ohms/Km		 Approx.
Resistance
at 50 Hz
Ohms/Km		 Approx.
Capacitance
mFd/Km
CURRENT RATINGS
Direct in Ground Amps Amps Duct Amps In Air Amps
4C X 1.5 1 0.8 0.3 — 1.40 — 1.24 — 14.5 — 503 1.80 11.70 256 12.1 14.5 0.126 0.14 21 17 17
4C X 2.5 1 0.9 0.3 — 1.40 — 1.24 — 16.0 — 616 1.80 13.20 335 7.4 8.87 0.119 0.15 27 24 24
4C X 4 1 1.0 0.3 — 1.40 — 1.24 — 17.5 — 771 1.80 15.00 446 4.6 5.52 0.116 0.41 36 30 30
4C X 6 1 1.0 0.3 — 1.40 — 1.24 — 19.0 — 947 1.80 16.00 576 3.1 3.69 0.110 0.47 45 39 38
4C X 10 6 1.0 0.3 4×0.8 1.60 1.40 1.40 21.5 23.0 1045 1273 1.80 19.00 773 1.8 2.19 0.100 0.56 60 57 50
4C X 16 6 1.0 0.3 4×0.8 1.60 1.40 1.40 22.2 23.8 1113 1352 2.00 22.40 940 1.2 1.38 0.097 0.76 77 66 64
4C X 25 6 1.2 0.3 4×0.8 1.60 1.40 1.40 23.6 25.2 1529 1779 2.00 23.80 1342 0.727 0.87 0.097 0.86 99 90 81
4C X 35 6 1.2 0.3 4×0.8 1.60 1.40 1.56 25.9 27.8 1955 2254 2.00 26.10 1744 0.524 0.62 0.097 0.98 120 110 99
4C X 50 6 1.4 0.4 4×0.8 2.00 1.56 1.56 30.3 32.7 2593 3096 2.20 30.60 2347 0.387 0.46 0.094 1.02 145 135 125
4C X 70 12 1.4 0.4 4×0.8 2.00 1.56 1.56 33.4 35.8 3459 4015 2.20 33.70 3183 0.268 0.32 0.090 1.18 175 165 150
4C X 95 15 1.6 0.4 4×0.8 2.00 1.72 1.72 38.2 40.6 4643 5280 2.40 38.60 4330 0.193 0.23 0.090 1.20 210 200 175
4C X 120 18 1.6 0.5 4×0.8 2.00 1.88 1.88 41.7 44.1 5702 6393 2.40 41.70 5330 0.153 0.18 0.087 1.31 240 230 195
4C X 150 18 1.8 0.5 4×0.8 2.50 1.88 2.04 44.7 48.4 6872 8012 2.60 45.10 6511 0.124 0.14 0.087 1.31 270 265 225
4C X 185 30 2.0 0.6 4×0.8 2.50 2.04 2.20 50.1 53.8 8519 9782 2.80 50.80 8152 0.0991 0.12 0.087 1.31 300 305 255
4C X 240 34 2.2 0.6 4×0.8 2.50 2.36 2.36 56.7 60.1 11008 12415 3.00 57.20 10557 0.0754 0.091 0.087 1.34 345 355 295
4C X 300 34 2.4 0.7 4×0.8 3.15 2.52 2.68 62.9 68.0 13610 15877 3.40 64.10 13218 0.0601 0.073 0.086 1.41 385 400 335
4C X 400 53 2.6 0.7 4×0.8 3.15 2.84 2.84 70.6 75.3 17213 19697 3.60 71.50 16729 0.0470 0.059 0.086 1.45 425 455 360