CM | Transformer

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Electrical Transformer Calculation

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PRIMARY SIDE

100A fuse | 100A disconnect Per 2009 NEC Table 450.3(B).

Length ft

Max Volt Drop %

Copper:(3#3Cu, 1#8Cu) 1" EMT Voltage Drop:13.84 V (4.99%)
Aluminum:(3#1Al, 1#6Cu) 1 1/4" EMT Voltage Drop:13.78 V (4.97%)

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 Per 2009 NEC Table 450.3(B).

SECONDARY SIDE

Pipeline Projections

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.

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