NUAL® Brand Conductor Ampacities Maximum Allowable Number of Conductors of One Size in Conduit NUAL® Brand RW90 600V 75° C AMPACITIES MAXIMUM ALLOWABLE NUMBER OF CONDUCTORS IN CONDUIT† 90° C AMPACITIES AWG or KCMIL Table 3 Table 4 Table 3 Table 4 8 55 40 60 6 75 50 85 4 100 65 2 135 90 1 155 1/0 2/0 NOMINAL DIAMETER OF CONDUIT 1/2“ 3/4“ 1“ 1¼“ 1½“ 2“ 2½“ 3“ 3½“ 4“ (16mm) (21mm) (27mm) (35mm) (41mm) (53mm) (63mm) (78mm) (91mm) (103mm) 45 2 5 8 14 19 32 46 72 96 124 55** 1 3 6 11 14 24 35 54 72 93 115 75 1 2 4 8 11 18 25 39 53 68 150 100 1 1 3 5 7 12 18 28 38 49 100 175 115 1 1 1 4 5 9 14 21 28 37 180 120 205 135 1 1 3 4 8 11 18 24 31 210 135 235 150 1 1 3 4 6 9 15 20 26 3/0 240 155 270 175 1 1 2 3 5 8 12 17 22 4/0 280 180 315 205 1 1 1 2 4 6 10 14 18 250 315 205 355 230 1 1 1 3 5 8 11 14 300 350 230 395 260 1 1 1 3 4 7 10 12 350 395 250 445 280 1 1 1 2 4 6 8 11 400 425 270 480 305 1 1 2 3 5 7 10 500 485 310 545 350 1 1 1 3 4 6 8 600 545 340 615 385 1 1 1 1 3 5 6 1 1 1 3 4 5 1 1 1 3 4 1 1 1 1 750 620 385 700 435 1000 750 445 845 500 1500 950 520 1070 585 **For 3-wire 120/240V and 120/208V service conductors forr single dwellings, l or for feeder conductors supplying single dwelling units or apartment and similar buildings, and sized in accordance nce w with Rules 8-200(1), 8-200(2), and 8-202(1), the allowable ampacity for 6 AWG shall be 60A. In this case, the 5% adjustment of Rule 8-106(1) cannot be applied. †Conduit fill calculated based on actual conductor sizes in accordance with Canadian Electrical Code Part 1 - Rule 12-1014; Table 3 ampacities are for Free Air Installations and Table 4 ampacities are for up to 3 conductors in conduit or cable, not including neutral conductor for above ground installations. 156 Parkshore Drive, Brampton, Ontario, Canada, L6T 5M1 GENERAL CABLE and NUAL BRAND are trademarks of General Cable Technologies Corporation. ©2014. General Cable Technologies Corporation. Highland Heights, KY 41076 All rights reserved. Printed in USA Phone: 1.800.561.0649 1.905.494.5300 Fax: 1.800.565.2529 www.nual.com Form No. BWC-0008E-0114 Copper Conductor Ampacities Maximum Allowable Number of Conductors of One Size in Conduit MAXIMUM ALLOWABLE NUMBER OF CONDUCTORS IN CONDUIT† Copper RW90 600V 75° C AMPACITIES 90° C AMPACITIES AWG or KCMIL Table 1 Table 2 Table 1 Table 2 14 30 20 35 12 35 25 40 10 50 35 8 70 6 95 4 NOMINAL DIAMETER OF CONDUIT 1/2“ 3/4“ 1“ 1¼“ 1½“ 2“ 2½“ 3“ 3½“ 4“ (16mm) (21mm) (27mm) (35mm) (41mm) (53mm) (63mm) (78mm) (91mm) (103mm) 25 9 16 25 45 61 101 144 200 200 200 30 7 12 20 35 48 79 113 175 200 200 55 40 5 9 15 27 37 61 87 134 179 200 50 80 55 2 4 7 13 18 30 43 67 90 116 65 105 75 1 3 4 10 13 23 32 50 67 87 125 85 140 95 1 2 4 7 10 16 23 36 49 63 3 145 100 165 115 1 1 3 6 8 14 20 31 41 53 2 170 115 190 130 1 1 3 5 7 11 17 26 35 45 1 195 130 220 145 1 1 1 3 5 8 12 19 25 33 1/0 230 150 260 170 1 1 3 4 7 10 16 22 28 2/0 265 175 300 195** 1 1 2 3 6 8 13 18 23 3/0 310 200 350 225 1 1 1 3 5 7 11 15 19 4/0 360 230 405 260 1 1 2 4 6 9 12 16 250 405 255 455 290 1 1 1 3 5 7 10 13 300 445 285 500 320 1 1 1 3 4 6 8 11 350 505 310 570 350 1 1 2 3 5 7 10 400 545 335 615 380 1 1 1 3 5 7 9 500 620 380 700 430 1 1 1 2 4 5 7 600 690 420 780 475 1 1 1 3 4 6 750 785 475 885 535 1 1 1 2 3 4 1000 935 545 1055 615 1 1 1 3 3 **For 3-wire 120/240 V and 120/208 V service conductors for single dwellings, or for feeder conductors supplying dwelling units of row housing or apartment and similar buildings, and sized in accordance with Rules 8-200(1), 8-200(2), and 8-202(1), the allowable ampacity for sizes 6 and 2/0 AWG shall be 60 A and 200 A, respectively. In this case, the 5% adjustment of Rule 8-106(1) cannot be applied. † Conduit fill calculated based on actual conductor sizes in accordance with Canadian Electrical Code Part 1 - Rule 12-1014; Table 3 ampacities are for Free Air Installations and Table 4 ampacities are for up to 3 conductors in conduit or cable, not including neutral conductor for above ground installations. 156 Parkshore Drive, Brampton, Ontario, Canada, L6T 5M1 GENERAL CABLE and NUAL BRAND are trademarks of General Cable Technologies Corporation. ©2014. General Cable Technologies Corporation. Highland Heights, KY 41076 All rights reserved. Printed in USA Phone: 1.800.561.0649 1.905.494.5300 Fax: 1.800.565.2529 www.nual.com Form No. BWC-0008E-0114