Transcription of Medium Voltage Conductor Ampacities
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Medium Voltage Conductor Ampacities
Page 1 of 6 Energy | | GUIDELINEF ebruary, 2018TG84 Voltage Conductor AmpacitiesCOPPERC onductor Size AWG/kcmil2001 - 5000 V5001 - 35000 V90 CMV-90105 CMV-10590 CMV-90105 CMV-105213014515016511551751701901/01802 001952152/02052252252553/02402702602904/ 0280305295330250315355330365350385430395 4405004755304805357506006655856551000690 770675755 Single Conductor 5kV - 35kVALUMINUMC onductor Size AWG/kcmil2001 - 5000 V5001 - 35000 V90 CMV-90105 CMV-10590 CMV-90105 CMV-105210011511513011201351301501/01401 551501702/01601751752003/01902102002254/ 0215240230260250250280255290350305340310 3505003804253854307504905454855401000580 645565640 Based on NEC Table (C)(73) Ampacities of an Insulated Triplexed or Three Single Conductor Copper Cables in Isolated Conduit in Air Based on Conductor Temperatures of 90 C (194 F) and 105 C and (221 F) and Ambient Air Temperature of 40 C (104 C) on NEC Table (C)(74) Ampacities of an Insulated Triplexed or Three Single Conductor Aluminum Cables in Isolated Conduit in Air Based on Conductor Temperatures of 90 C (194 F) and 105 C and (221 F) and Ambient Air Temperature of 40 C (104 C) NEC 2014.
Covering (Three-Conductor Cable) in Underground Electrical Ducts (One Cable per Electrical Duct) Based on Ambient Earth Temperature of 20°C (68°F), Electrical Duct Arrangement in Accordance with Figure 310.60, 100 Percent Load Factor, Thermal Resistance (RHO) of 90, Conductor Temperatures of 90°C (194°F) and 105°C (221°F).
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