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Table 21-IV

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Continuous Current Carrying Capacity of ACSR Conductors

1. Code Name & Size ACSR 'Zebra'
2. Overall Diameter 28.62mm
3. Resistance at 200 C 0.06888 ohns/Km
4. Maximum Design Temp. of conductor 750 C
5. Region Northern
Month Ambient Temperature in "C Continuous current carrying capacity in Amp during 10 to 14 HRS for conductor of age
Up to one year Between one to Ten years Beyond 10 years
January 47.5 580.38 619.16 638.95
45.0 621.77 662.58 682.56
40.0 697.27 714.63 762.03
32.5 796.22 844.93 865.99
20.0 935.83 989.97 1012.02
February 47.5 551.61 588.83 609.60
45.0 595.01 734.33 655.17
40.0 673.52 716.50 737.59
32.5 775.50 822.96 844.57
20.0 918.26 971.29 993.76
March 47.5 524.11 559.85 581.67
45.0 569.61 607.53 629.26
40.0 651.18 692.89 714.68
32.5 756.19 802.48 824.63
20.0 902.01 954.00 976.87
April 47.5 499.18 533.61 556.45
45.0 546.75 583.44 606.03
40.0 631.29 671.86 694.31
32.5 739.13 784.40 807.05
20.0 887.76 938.84 962.07
May 47.5 503.78 538.45 561.09
45.0 550.96 587.87 610.29
40.0 634.94 675.71 698.04
32.5 742.24 787.70 810.25
20.0 890.35 941.60 964.76
June 47.5 496.46 530.74 553.70
45.0 544.27 580.81 603.50
40.0 629.14 669.58 692.11
32.5 737.29 782.45 805.15
20.0 886.23 973.21 960.48
July 47.5 497.55 531.89 554.80
45.0 545.26 581.86 604.51
40.0 630.00 670.49 692.99
32.5 738.02 783.23 805.91
20.0 886.84 937.86 961.11
August 47.5 500.54 535.04 559.82
45.0 547.99 584.74 607.28
40.0 632.27 672.99 695.41
32.5 740.04 785.27 807.99
20.0 888.52 939.65 962.86
September 47.5 528.75 564.74 586.37
45.0 573.88 612.04 633.61
40.0 654.92 696.84 718.51
32.5 759.41 805.90 827.96
20.0 904.71 956.88 979.68
October 47.5 543.19 579.94 601.03
45.0 587.20 626.10 647.20
40.0 666.63 709.22 730.52
32.5 769.53 816.63 828.40
20.0 913.23 965.93 988.52
November 47.5 56.66 604.69 624.94
45.4 608.98 649.08 669.46
40.0 685.89 729.59 750.32
32.5 786.28 834.38 855.71
20.0 927.38 980.98 1003.24
December 47.5 583.42 622.35 642.05
45.0 624.60 665.57 685.46
40.0 699.80 744.30 764.63
32.5 798.44 847.27 868.28
20.0 937.71 991.97 1013.98