Cable Size Calculation Spreadsheet
  • Cable Size Calculation Spreadsheet
  • Cable Size Calculation Spreadsheet
  • Cable Size Calculation Spreadsheet
  • Cable Size Calculation Spreadsheet
Originally published: 29/11/2017 17:00
Publication number: ELQ-64030-1
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Cable Size Calculation Spreadsheet

Cable size calculations based on Motor Horse Power HP and Specified Current.

Description
The Sheet works with a series of Input Data giving you a number of calculated Values.

Input data: Motor voltage (V L-L), Motor horsepower, Cable Temperature Rating (°C), Ambient Temperature (°C), Cable Length (ft) and Acceptable Voltage Drop (%).

Calculated Values: Operating Current (A), 125% Current per NEC (A), “Zero Length” Cable Size, Acceptable Voltage Drop (V), Actual Voltage Drop (V) and Actual Voltage Drop (%).

Please Note:

The conductor ampacities are based on NEC 2008, Table 310.16 (Not more than 3 current carrying conductors in racewary).

*Originally shared on electrical-engineering-portal*

This business tool includes
1 Downloadable Cable Size Calculations Spreadsheet

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  • Paddy Keys
    Hi Jim the software looks of however, we in Africa use metric ...kW metres
    etc so if you can either redo in metric or supply password to edit
    Kind Regards Paddy Keys.
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