Observed arrival · 2026-09-09

FieldSizing Shows Its Electrical Calculator Work

fieldsizing.com Observed source

Editorial interest 82/100 Selection signal · not a rating of the site

A field-oriented electrical calculator for voltage drop and conductor sizing that prints its arithmetic, sources its constants, and names the deciding condition.

Landing page captured for the 2026-09-09 issue.

Field notes

The site separates the practical voltage-drop result from a formula page that exposes the underlying arithmetic and resistivity source. It identifies MSU Tech Note 212 and ASTM B258, and reports that 23 recomputed resistance values remain within 1% of the source table. Conduit fill and conductor ampacity are discussed as future additions, with ampacity withheld until the relevant standards material can be licensed and sourced.

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