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TABLE E-1 CONVERSION FORMULAS (CONTINUED) BTU/hr = W / 0.293 Energy BTU = KWh / (2.9306 x 10-4 ) Metric Conversion Formulas Linear Measure cm = in x 2.54 in = centimeters x 0.3937 in = meters x 39.37 yards = meters x 1.0936 ft = kilometers x 3281 kilometers = miles (statute) x 1.6093 micron = meter / 10-6 millimicron = meter / 10-9 Angstrom units = meter / 10 -10 Area cm 2 = sq. in / 0.155 m 2 = sq. ft / 10.76 square miles = km 2 /0.3816 km 2 = 0.3861 square mile Liquid Measure US gallon = liter x 0.2642 fluid ounce = milliliter x 0.0338 Volume liter = 1000 cm 3 = cu. in / 61.02 Pressure Pa = N/m 2 Conversion Formulas = PSF x 47.85 Pa = PSI x 6891 atm = PSF x 2117 Weight ounce = gram x 0.03527 lb = kilogram x 2.2046 long ton (UK) = metric ton x 1.1023 gram = ounce x 28.35 kilogram = lb x 0.4536 metric ton = long ton (UK) x 0.9072 tonne = ton (US) x 1.102 Torque N·m = lbf·ft x 1.356 lbf·ft = N·m x 0.7376 APPENDIX E: GENERAL CONVERSIONS AND FORMULAS E-2 68P81089E50-B 9/1/05
STANDARDS AND GUIDELINES FOR COMMUNICATION SITES TABLE E-2 METRIC EQUIVALENTS OF AMERICAN WIRE GAUGE (AWG) Area Diameter AWG c mils inches1 mm2 mils mm 28 159.8 0.000126 0.804 12.6 0.320 26 254.1 0.000200 0.128 15.9 0.404 24 404.0 0.000317 0.205 20.1 0.511 22 642.4 0.000505 0.324 25.3 0.643 19 1288 0.001012 0.653 35.9 0.912 18 1624 0.001276 0.823 40.3 1.02 16 2583 0.002028 1.31 50.8 1.29 15 3257 0.002558 1.65 57.1 1.45 14 4107 0.003225 2.08 64.1 1.63 13 5178 0.004067 2.63 72.0 1.83 12 6530 0.005129 3.310 80.0 2.05 11 8234 0.006467 4.17 90.7 2.304 10 10380 0.008155 5.261 101.9 2.588 9 13090 0.01028 6.631 114.4 2.906 8 16510 0.01297 8.367 128.5 3.264 7 20820 0.01635 10.55 144.3 3.665 6 26250 0.02062 13.30 162.0 4.115 5 33100 0.02600 16.77 181.9 4.520 4 41740 0.03278 21.15 204.3 5.189 3 52640 0.04134 26.67 229.4 5.827 2 66370 0.05213 33.62 257.6 6.543 1 83690 0.06573 42.41 289.3 7.346 1/0 10550 0.08289 53.49 324.9 8.252 2/0 13310 0.1045 67.43 364.8 9.266 3/0 167800 0.1318 85.01 409.6 10.40 4/0 211600 0.1662 107.26 460.0 11.68 250000 126.70 500.0 12.70 350000 177.39 500000 253.35 750000 380.13 1. All conductors are solid except AWG 2 <strong>and</strong> coarser which are str<strong>and</strong>ed. 68P81089E50-B 9/1/05 E-3
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© 2005 MOTOROLA, INC. ALL RIGHTS R
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TABLE OF CONTENTS Chapter 1. Introd
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STANDARDS AND GUIDELINES FOR COMMUN
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CHAPTER 1 INTRODUCTION 1 This manua
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CHAPTER 2 SITE DESIGN AND DEVELOPME
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CHAPTER 3 COMMUNICATION SITE BUILDI
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CHAPTER 4 EXTERNAL GROUNDING (EARTH
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CHAPTER 5 INTERNAL GROUNDING (EARTH
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CHAPTER 6 POWER SOURCES 6 6.1 LOCKO
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CHAPTER 7 SURGE PROTECTIVE DEVICES
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CHAPTER 8 MINIMIZING SITE INTERFERE
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CHAPTER 9 EQUIPMENT INSTALLATION 9
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APPENDIX A ELECTROMAGNETIC ENERGY I
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APPENDIX B SOIL RESISTIVITY MEASURE
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Page 447 and 448: STANDARDS AND GUIDELINES FOR COMMUN
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Page 509 and 510: I NDEX Index Index AC power cabling
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