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3.6/6.0 to 18/30 KV XLPE Single Core Insulated Cables

Single core cables 3.6/6.0 KV TO 18/30 KV
Copper or Aluminium conductors,
XLPE insulated Armoured Cables


Normal Area of Conductor

In Air

 In Ground In Duct
Single core in Trefoil Single core in Trefoil Laid Singly
Copper Aluminium Copper Aluminium Copper Aluminium
Sqmm A A A
50 239 186 212 163 212 163
70 296 230 259 202 249 202
95 359 282 308 241 293 235
120 412 340 346 269 327 265
150 469 364 394 302 361 288
185 526 416 437 341 394 322
240 622 488 500 389 449 365
300 708 555 557 437 481 404
400 804 641 625 490 510 437
500 890 736 683 548 548 481
630 995 842 730 616 596 529

Operating conditions:
Ambient air temperature:  30°c
Ground temperature:        20°c
Depth of laying:               0.8m
Thermal resistivity of soil: 1.2 K.m/W
Above values can be applied safety for Unarmoured cables also.