National Electric MFG
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This static site does not require accounts. Browser-side calculators run locally. Uploaded image tools in this MVP operate locally in the browser for previews and do not create certification records.
These tools are deliberately written for planning conversations between electricians, site managers, facilities teams and hire/specification desks. They are not certification tools.
Where a result involves protective devices, cable ratings, RCDs, live equipment or suspected overheating, stop and involve a qualified competent person.