What's New
Dwelling Load Heating Fan loads allow values up to 20A.
Interface improvements for iOS 17.
App Description
Mike Holt, the industry leader in the electrical industry (MikeHolt.com) has created an amazing, practical and useful app for the electrician, inspector, instructor, contractor and engineer. The app contains conductor sizing (including voltage drop limitations), circuit protection sizing, race sizing, equipment grounding conductor sizing for electric heating equipment (commercial and Residential), air-conditioning equipment (commercial and Residential), motors (commercial and Residential), Transformers (commercial) , and dwelling-unit service calculations and sizing.
iPhone Screenshots
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iPad Screenshots
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App Changes
- May 23, 2019 Initial release
- August 29, 2019 Price decrease: $0.99 -> FREE!
- September 24, 2019 New version 1.0.2
- September 28, 2019 New version 1.0.3
- January 14, 2020 New version 1.0.4
- July 15, 2020 New version 1.0.7
- October 23, 2020 New version 1.0.8
- September 16, 2023 New version 1.0.30
- April 25, 2024 New version 1.0.34