Improve Productivity
Electrical Transformer Calculator
The Construction Monkey Transformer Calculator lets you figure out electrical characteristics
of your system given a specific transformer size. By inputting the primary and secondary electrical system characteristics and the transformer properties
Construction Monkey will calculate the disconnect size and feeder size for both the primary and secondary.
Make your selections below and the form will automatically update the values.
Notes:
1Maximum conduit size is 4"
2Conduit is assumed to be EMT
3Maximum wire size is 500MCM
3Overcurrent Sizes are based on NEC Table 450.3(B)

Improve Productivity
Track. Understand. Improve.
- Smash Budgets with Daily Production Goals.
- Know Productivity Gains/Losses Immediately.
- Forecast Labor More Accurately with Productivity Data.
- Plan Better with Real-Time Project Productivity.
- Improve Estimates with Productivity Data from the Field.
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.