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Primary
 
Conductor
Disconnect 100A fuse | 100A disconnect 
Conductor Copper:(3#3Cu, 1#8Cu) 1" EMT Voltage Drop: 13.84 V  (4.99%)
Conductor Aluminum:(3#1Al, 1#6Cu) 1 1/4" EMT Voltage Drop: 13.78 V  (4.97%)
Conductor
Length ft Max Volt Drop %
Transformer
Conductor
Conductor
Conductor
Conductor
Disconnect
Conductor
Ground:  (1#2CU) 2" EMT
Copper:(3#4/0Cu, 1#4Cu) 2" EMT Voltage Drop:5.97 V  (4.98%)
Aluminum:(3#350Al, 1#2Cu) 2 1/2" EMT Voltage Drop:5.93 V  (4.94%)
Length ft Max Volt Drop %
225A fuse | 400A disconnect 
SECONDARY SIDE
No guarantees are made as to the accuracy of the calculation or compliance with local codes.  Verify all calculations with a professional engineer. If you find an error, or have a suggestion, please send us an email.