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Fault Current Calculations <br /> Project: Everett SD Portables-Garfield Elementary School Date: 3/30/2020 <br /> Job#20058 By: Jeff Hoover,PE <br /> Fault on Load Side of Transformer with Infinite Short Circuit Current on Primary Available. <br /> Node# kVA L-L Volt 0 %Z Short Circuit Current <br /> Utility 480 3 19,200 <br /> Fault on Load Side of Transformer when Short Circuit Current of Primary is Known. <br /> Short Circuit Current at Short Circuit Current • <br /> Node# Primary of Transformer kVA Pri„L-L Sec„L-L 0 %Z at Secondary <br /> (E)XFMR -'TE' Secondary 15,262.31 75 480 208 3 3.8 4,740.97 <br /> Fault Current at the End of a Run of Cable. <br /> Short Circuit Current Length Conductors Conductor Raceway Short Circuit Current at <br /> Node# at Beginning of Run of Run L-L Volt Per Phase 0 Type Type Wire Size End of Cable Run <br /> (E) MSBD 19,200.00 50 480 3 3 Copper Non-Metallic 600 kcmil 18,440.42 <br /> (E) Panel'LE' 18,440.42 20 480 1 3 Copper Non-Metallic 3/0 AWG 16,831.58 <br /> (E) XFMR'TE'Primary 16,831.58 10 480 1 3 Copper Metallic. 2AWG 15,262.31 <br /> 3 <br />