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Fault Current Calculations <br /> Project: Everett SD Portables-Evergreen Middle 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 50,117 <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-'T1C'Secondary 45,848.07 500 480 208 3 3.8 27,150.48 <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 50,117.00 50 480 8 3 Copper Non-Metallic 500 kcmil 48,082.03 <br /> (E)XFMR'T1C' Primary 48,082.03 15 480 2 3 • Copper Non-Metallic 500 kcmil 45,848.07 <br /> (E) Distr. Panel '2D1 C' • 27,150.48 15 208 5 3 Copper Non-Metallic 400 kcmil 26,413.12 <br /> (E) Distr. Panel'2P8C' 26,413.12 180 208 3 3 Copper Non-Metallic 500 kcmil 17,677.68 <br /> (E) Panel'P5' 17,677.68 160 208 1 1 Copper Non-Metallic 1 AWG 6,280.29 <br /> ID <br /> P <br /> Permit#: E2004-039 <br /> Site Address: 7621 BEVERLY I N <br /> Owner: EVERETT SCHOOL DIST 2 <br /> 0A�.� ' #' Ce *Q Tenant: EVERETT MIDDLE SCHOOL <br /> App.Date: 4/7/2020 <br /> �0� Proposed Use: COMMERCIAL <br /> e�le4�� o Description: ADDITION OF SINGLE CLASSROOM <br /> ' . ,A, PORTABLE TO EXTG ELECT DISTR <br /> Ce <br /> s J, <br /> Reviewed By: S 1� ® Date: <br /> /1/6 ice Set Job Site Set Fire/Planning Set <br /> //--- -----. <br />