Engineer’s Corner

INTERNATIONAL PROTECTION RATING "IP CODE" IP CODE FIRST DIGIT (SOLIDS) SECOND DIGIT (LIQUIDS) IP00 NOT PROTECTED FROM SOLIDS NOT PROTECTED FROM LIQUIDS IP01 NOT PROTECTED FROM SOLIDS PROTECTED FROM CONDENSATION IP02 NOT PROTECTED FROM SOLIDS PROTECTED FROM WATER SPRAY LESS THAN 15 DEGREES FROM VERTICAL IP03 NOT PROTECTED FROM SOLIDS PROTECTED FROM WATER SPRAY LESS THAN 0 DEGREES FROM VERTICAL IP04 NOT

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COPPER WIRE RESISTANCE CHART A.W.G. FEET PER OHMS OHMS PER 1000 FEET GAGE at 77 Deg F at 149 Deg F at 77 Deg F at 149 Deg F 0 10000.00 8621.00 0.100 0.116 1 7936.00 6849.00 0.126 0.146 2 6289.00 5435.00 0.159 0.184 3 4975.00 4310.00 0.201 0.232 4 3953.00 3425.00 0.253 0.292 5 3135.00 2710.00 0.319 0.369 6 2481.00 2151.00 0.403 0.465 7 1968.00 1706.00 0.508 0.586 8 1560.00 1353.00 0.641 0.739 9 1238.00 1073.00 0.808 0.932 10 980.40 847.50 1.020 1.180 11 781.30 675.70 1.280 1.480 12 617.30 534.80 1.620 1.870 13 490.20 423.70 2.040 2.360 14 387.60 336.70 2.580 2.970 15 307.70 266.70 3.250 3.750 16 244.50 211.40 4.090 4.730 17 193.80 167.80 5.160 5.960 18 153.60 133.20 6.510 7.510 19 121.80 105.50 8.210 9.480 20 96.20 84.00 10.400 11.900 21 76.30 66.20 13.100 15.100 22 60.60 52.60 16.500 19.000 23 48.10 41.70 20.800 24.000 24 38.20 33.10 26.200 30.200 25 30.30 26.20 33.000 38.100 26 24.00 20.80 41.600 48.000 27 19.00 16.50 52.500 60.600 28 15.10 13.10 66.200 76.400 29 12.00 10.40 83.400 96.300 30 9.50 8.30 105.000 121.000 31 7.50 6.50 133.000 153.000 32 6.00 5.20 167.000 193.000 33 4.70 4.10 211.000 243.000 34 3.80 3.30 266.000 307.000 35 3.00 2.60 335.000 387.000 36 2.40 2.00 423.000 488.000 37 1.90 1.60 533.000 616.000 38 1.50 1.30 673.000 776.000 39 1.20 1.00 848.000 979.000 40 0.93 0.81 1070.000 1230.000   If you liked this, Click here and sign up for our free monthly newsletter with helpful tips and other articles that you will also like. 

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