TECHNICAL INFORMATION PVC Singles Table 4D1A ‐ Single core 70ºC thermoplastic insulated cables, nonarmoured, with or without sheath (copper conductors) Reference Method F (in free air or on a perforated cable tray, horizontal or vertical)
Conductor Reference Method A Reference Method B Reference Method C cross‐ (Enclosed in Conduit in (enclosed in conduit on a (Clipped Direct) sectional area Thermally Insulating Wall etc) wall or in trunking etc) 2 Cables, 3 or 4 Cables, 2 Cables, 3 or 4 Cables, 2 Cables, 3 or 4 Cables, Single-phase Three-phase Single-phase Three-phase Single-phase Three-phase A.C A.C or D.C A.C A.C or D.C A.C A.C or D.C Flat Flat & Touching & Touching or Trefoil
2 Cables, 3 Cables, 3 Cables, 2 Cables, Single-phase Single- Three-phase Three-phase A.C or D.C or 3 Cables, phase A.C A.C Flat A.C Trefoil Three-phase A.C Flat or D.C Flat
mm2 1.5 2.5 4 6 10 16 25 35 50 70 95 120 150 185 240 300 400
A - - - - - - 131 162 196 251 304 352 406 463 546 629 754
A 14.5 20 26 34 46 61 80 99 119 151 182 210 240 273 320 367 -
A 13.5 18 24 31 42 56 73 89 108 136 164 188 216 245 286 328 ‐
A 17.5 24 32 41 57 76 101 125 151 192 232 269 300 341 400 458 546
A 15.5 21 28 36 50 68 89 110 134 171 207 239 262 296 346 394 467
A 20 27 37 47 65 87 114 141 182 234 284 330 381 436 515 594 694
A 18 25 33 43 59 79 104 129 167 214 261 303 349 400 472 545 634
Touching
Spaced by one diameter
A - - - - - - 114 143 174 225 275 321 372 427 507 587 689
A - - - - - - 110 137 167 216 264 308 356 409 485 561 656
A - - - - - - 146 181 219 281 341 396 456 521 615 709 852
A - - - - - - 130 162 197 254 311 362 419 480 569 659 795
SWA Cables Table 4E4A ‐ Current Carrying Capacity in Ampere
Extract from the IEE Wiring Regulations, 17th Edition 30°C Ambient Air Temperature 90°C Conductor Operating Temperature 20°C Ambient Ground Temperature
Current Rating Chart for Multicore Armoured Thermoplastic Insulated Cables with Copper Conductors at 70°C Operating Temperature
Reference Method C - C lipped Direct Method D - Direct or in Ducts, in Ground, in/Around Buildings.
Method E -In free air or on a Perforated Cable T ray.
Conductor Cross‐sectional Area mm² 1 Two‐core* Cable, 1 Three‐core* or 1 1 Two‐core* Cable, 1 Three‐core* or 1 1 Two‐core* cable, 1 Three‐core* or 1 Single-phase A.C. Four-core Cable, Single-phase A.C. Four-core Cable, Single-phase A.C. Four-core Cable, or D.C. Three-phase A.C. or D.C. Three-phase A.C. or D.C. Three-phase A.C. 1.5 2.5 4 6 10 16 25 35 50 70 95 120 150 185 240 300 400
201
21 28 38 49 67 89 118 145 175 222 269 310 356 405 476 547 621
18 25 33 42 58 77 102 125 151 192 231 267 306 348 409 469 540
22 19 29 24 37 30 46 38 60 50 78 64 99 82 119 98 140 116 173 143 204 169 231 192 261 217 292 243 336 280 379 316 ‐ ‐
22 31 41 53 72 97 128 157 190 241 291 336 386 439 516 592 683
19 26 35 45 62 83 110 135 163 207 251 290 332 378 445 510 590
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