Page 869 - Demo

837TECHNICAL DATADATA SUBJECT TO CHANGE WITHOUT NOTICE.Wireway Size and Maximum Number of Conductors Allowed (areas shown are 20% of the full interior cross sectional area of the wireway)Conductor Size AWG-MCMArea of Conductor (sq. in.) 2.5\(0.90 sq.in.) 4.0\(2.63 sq.in.) 6.0\(6.33 sq.in.) 8.0\(11.63 sq.in.) 12.0\(13.1 sq.in.) ZF, ZFF, Z2/0 0.2027 4 12 31 57 643/0 0.2463 3 10 25 47 534/0 0.3000 3 8 21 38 43XHHW, ZW, XHHW-2, XHW14 0.0139 64 189 455 836 94212 0.0181 49 145 349 642 72310 0.0243 37 108 260 478 5398 0.0437 20 60 144 266 2996 0.0590 15 44 107 197 2224 0.0814 11 32 77 142 1603 0.0962 9 27 65 120 1362 0.1146 7 22 55 101 1141 0.1534 5 17 41 75 851/0 0.1825 4 14 34 63 712/0 0.2190 4 12 28 53 593/0 0.2642 3 9 23 44 494/0 0.3197 2 8 19 36 40250 0.3904 2 6 16 29 33300 0.4536 1 5 13 25 28350 0.5166 1 5 12 22 25400 0.5782 1 4 10 20 22500 0.6984 1 3 9 16 18600 0.8709 1 3 7 13 15700 0.9923 0 2 6 11 13750 1.0532 0 2 6 11 12800 1.1122 0 2 5 10 11900 1.2351 0 2 5 9 101000 1.3519 0 1 4 8 91250 1.7180 0 1 3 6 71500 2.0157 0 1 3 5 61750 2.3127 0 1 2 5 52000 2.6073 0 1 2 4 5KF-2, KFF-218 0.0031 290 848 2041 3751 422516 0.0044 204 597 1438 2643 297714 0.0064 140 410 989 1817 204612 0.0093 96 282 680 1250 140810 0.0139 64 189 455 836 942KF-1, KFF-118 0.0026 346 1011 2434 4473 503816 0.0037 243 710 1710 3143 354014 0.0055 163 478 1150 2114 238112 0.0083 108 316 762 1401 157810 0.0127 70 207 498 915 1031The 2008 National Electrical Code limits wireways as followsA wireway shall not contain more than 30 current-carrying conductors exept when the ampacity has been adjusted to Table 310-15(b) 2 (a)The sum of the cross sectional area of all conductors shall not exceed 20% of the interior cross sectional area of the wireway. Note section 14 of NTPA 79 allows 50% fill for industrial machine wireway. * Types RHH, RHW, and RHW-2 without outer coveringWIREWAYS FILL TABLES LAY-IN & FEED-THROUGH TYPE 12 (BASED ON THE NATIONAL ELECTRICAL CODE)