Tables > Conduit and Tubing > Conductors > Max conductors in rigid PVC conduit, S.80

	Type Letters Cond. Size AWG/kcmil Trade Sizes In Inches .50 .75 1 1.25 1.50 2 2.50 3 3.50 4 5 6 RH 14 4 8 13 23 32 55 79 123 166 215 341 490   12 3 6 10 19 26 44 63 99 133 173 274 394 RHH, RHW, RHW-2 14 3 5 9 17 23 39 56 88 118 153 243 349   12 2 4 7 14 19 32 46 73 98 127 202 290 RH, RHH, RHW, RHW-2 10 1 3 6 11 15 26 37 59 79 103 163 234   8 1 1 3 6 8 13 19 31 41 54 85 122   6 1 1 2 4 6 11 16 24 33 43 68 98   4 1 1 1 3 5 8 12 19 26 33 53 77   3 0 1 1 3 4 7 11 17 23 29 47 67   2 0 1 1 3 4 6 9 14 20 25 41 58   1 0 1 1 1 2 4 6 9 13 17 27 38   1/0 0 0 1 1 1 3 5 8 11 15 23 33   2/0 0 0 1 1 1 3 4 7 10 13 20 29   3/0 0 0 1 1 1 3 4 6 8 11 17 25   4/0 0 0 0 1 1 2 3 5 7 9 15 21   250 0 0 0 1 1 1 2 4 5 7 11 16   300 0 0 0 1 1 1 2 3 5 6 10 14   350 0 0 0 1 1 1 1 3 4 5 9 13   400 0 0 0 0 1 1 1 3 4 5 8 12   500 0 0 0 0 1 1 1 2 3 4 7 10   600 0 0 0 0 0 1 1 1 3 3 6 8   700 0 0 0 0 0 1 1 1 2 3 5 7   750 0 0 0 0 0 1 1 1 2 3 5 7 TW 14 6 11 20 35 49 82 118 185 250 324 514 736   12 5 9 15 27 38 63 91 142 192 248 394 565   10 3 6 11 20 28 47 67 106 143 185 294 421   8 1 3 6 11 15 26 37 59 79 103 163 234 RHH*, RHW*, RHW-2*, THHW, THW, THW-2 14 4 8 13 23 32 55 79 123 166 215 341 490 RHH*, RHW*, RHW-2*, THHW, THW 12 3 6 10 19 26 44 63 99 133 173 274 394   10 2 5 8 15 20 34 49 77 104 135 214 307 RHH*, RHW*, RHW-2*, THHW, THW, THW-2 8 1 3 5 9 12 20 29 46 62 81 128 184 RHH*, RHW*, RHW-2*, TW, THW, THHW, THW-2 6 1 1 3 7 9 16 22 35 48 62 98 141   4 1 1 3 5 7 12 17 26 35 46 73 105   3 1 1 2 4 6 10 14 22 30 39 63 90   2 1 1 1 3 5 8 12 19 26 33 53 77   1 0 1 1 2 3 6 8 13 18 23 37 54   1/0 0 1 1 1 3 5 7 11 15 20 32 46   2/0 0 1 1 1 2 4 6 10 13 17 27 39   3/0 0 0 1 1 1 3 5 8 11 14 23 33   4/0 0 0 1 1 1 3 4 7 9 12 19 27   250 0 0 0 1 1 2 3 5 7 9 15 22   300 0 0 0 1 1 1 3 5 6 8 13 19   350 0 0 0 1 1 1 2 4 6 7 12 17   400 0 0 0 1 1 1 2 4 5 7 10 15   500 0 0 0 1 1 1 1 3 4 5 9 13   600 0 0 0 0 1 1 1 2 3 4 7 10   700 0 0 0 0 1 1 1 2 3 4 6 9   750 0 0 0 0 0 1 1 1 3 4 6 8 THHN, THWN, THWN-2 14 9 17 28 51 70 118 170 265 358 464 736 1055   12 6 12 20 37 51 86 124 193 261 338 537 770   10 4 7 13 23 32 54 78 122 164 213 338 485   8 2 4 7 13 18 31 45 70 95 123 195 279   6 1 3 5 9 13 22 32 51 68 89 141 202   4 1 1 3 6 8 14 20 31 42 54 86 124   3 1 1 3 5 7 12 17 26 35 46 73 105   2 1 1 2 4 6 10 14 22 30 39 61 88   1 0 1 1 3 4 7 10 16 22 29 45 65   1/0 0 1 1 2 3 6 9 14 18 24 38 55   2/0 0 1 1 1 3 5 7 11 15 20 32 46   3/0 0 1 1 1 2 4 6 9 13 17 26 38   4/0 0 0 1 1 1 3 5 8 10 14 22 31   250 0 0 1 1 1 3 4 6 8 11 18 25   300 0 0 0 1 1 2 3 5 7 9 15 22   350 0 0 0 1 1 1 3 5 6 8 13 19   400 0 0 0 1 1 1 3 4 6 7 12 17   500 0 0 0 1 1 1 2 3 5 6 10 14   600 0 0 0 0 1 1 1 3 4 5 8 12   700 0 0 0 0 1 1 1 2 3 4 7 10   750 0 0 0 0 1 1 1 2 3 4 7 9 FEP, FEPB, PFA, PFAH, TFE 14 8 16 27 49 68 115 164 257 347 450 714 1024   12 6 12 20 36 50 84 120 188 253 328 521 747   10 4 8 14 26 36 60 86 135 182 235 374 536   8 2 5 8 15 20 34 49 77 104 135 214 307   6 1 3 6 10 14 24 35 55 74 96 152 218   4 1 2 4 7 10 17 24 38 52 67 106 153   3 1 1 3 6 8 14 20 32 43 56 89 127   2 1 1 3 5 7 12 17 26 35 46 73 105 PFA, PFAH, TFE 1 1 1 1 3 5 8 11 18 25 32 51 73 PFA, PFAH, TFE, Z 1/0 0 1 1 3 4 7 10 15 20 27 42 61   2/0 0 1 1 2 3 5 8 12 17 22 35 50   3/0 0 1 1 1 2 4 6 10 14 18 29 41   4/0 0 0 1 1 1 4 5 8 11 15 24 34 Z 14 10 19 33 59 82 138 198 310 418 542 860 1233   12 7 14 23 42 58 98 141 220 297 385 610 875   10 4 8 14 26 36 60 86 135 182 235 374 536   8 3 5 9 16 22 38 54 85 115 149 236 339   6 2 4 6 11 16 26 38 60 81 104 166 238   4 1 2 4 8 11 18 26 41 55 72 114 164   3 1 2 3 5 8 13 19 30 40 52 83 119   2 1 1 2 5 6 11 16 25 33 43 69 99   1 0 1 2 4 5 9 13 20 27 35 56 80 XHH, XHHW, XHHW-2, ZW 14 6 11 20 35 49 82 118 185 250 324 514 736   12 5 9 15 27 38 63 91 142 192 248 394 565   10 3 6 11 20 28 47 67 106 143 185 294 421   8 1 3 6 11 15 26 37 59 79 103 163 234   6 1 2 4 8 11 19 28 43 59 76 121 173   4 1 1 3 6 8 14 20 31 42 55 87 125   3 1 1 3 5 7 12 17 26 36 47 74 106   2 1 1 2 4 6 10 14 22 30 39 62 89 XHH, XHHW, XHHW-2 1 0 1 1 3 4 7 10 16 22 29 46 66   1/0 0 1 1 2 3 6 9 14 19 24 39 56   2/0 0 1 1 1 3 5 7 11 16 20 32 46   3/0 0 1 1 1 2 4 6 9 13 17 27 38   4/0 0 0 1 1 1 3 5 8 11 14 22 32   250 0 0 1 1 1 3 4 6 9 11 18 26   300 0 0 1 1 1 2 3 5 7 10 15 22   350 0 0 0 1 1 1 3 5 6 8 14 20   400 0 0 0 1 1 1 3 4 6 7 12 17   500 0 0 0 1 1 1 2 3 5 6 10 14   600 0 0 0 0 1 1 1 3 4 5 8 11   700 0 0 0 0 1 1 1 2 3 4 7 10   750 0 0 0 0 1 1 1 2 3 4 6 9
Reprinted with permission from NFPA 70-1999, the National Electrical Code®, Copyright 1998, National Fire Protection Association, Quincy, MA 02269. This reprinted material is not the referenced subject which is represented only by the Standard in its entirety.
See also Guides Conductor sizing and ampacities for insulated conductors rated 0-2000 Volts in raceway, cable, or direct buried Parallel Conductor sizing and ampacities for insulated conductors rated 0-2000 Volts in raceway, cable, or direct buried Tables Maximum number of conductors in rigid PVC conduit, schedule 40 Maximum number of conductors in rigid metallic conduit Definitions Offset Bend Back-to-back Bend