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Usage and Attribution

This guide is meant to be shared. A few ground rules keep the open-source version useful without quietly copying material that belongs to somebody else:

  • Do not reproduce paid standards tables (e.g. the body of MIL-DTL or IEC documents) in derivative versions of this guide. Reference them and point readers to the source.
  • Do not copy proprietary catalog tables verbatim. Use public manufacturer datasheets and standards references for verification, and summarize in your own words.
  • Manufacturer names, standards, trademarks, and connector family names (Amphenol, Glenair, Souriau, ITT Cannon, TE, Molex, JST, Harting, Phoenix Contact, WAGO, Weidmüller, Anderson, Harwin, Omnetics, and others) remain the property of their respective owners and are used here only for identification and education.

See Source Notes — the guide's standing source-status dashboard — for what is verified, what is engineering judgment, what is example-only, and the per-design checks you still owe your own hardware before relying on any value in a released design.

Photographs and diagrams​

  • The line-art diagrams (static/img/diagrams/) are original to this project and carry the documentation license below.
  • The connector photographs (static/img/photos/) are third-party works used under their own Creative Commons licenses (CC BY / CC BY-SA, various versions), sourced from Wikimedia Commons and Flickr. Each photo is credited in its caption with the photographer and license, linked to the source page. Those photos are not relicensed by this project — if you reuse one, follow its own license and credit the original photographer. No manufacturer marketing photography is used.
  • The auditable asset-by-asset record — including source URLs, licenses, page usage, and known local modifications — is maintained in Image Attributions. Images still worth creating as original work are listed separately in Image Opportunities.

License​

This project is dual-licensed, matching the repository LICENSE files:

  • Documentation and content — Creative Commons Attribution 4.0 International (CC BY 4.0). This includes the Tools & Templates pages: the templates are documentation content, so copy and adapt them freely with attribution under CC BY 4.0.
  • Code and configuration — MIT License.

When reusing material, give appropriate credit: A zcohen-nerd technical guide by Zac Cohen.

Dual-licensed. Guide content (everything under docs/, including the templates) is CC BY 4.0; site code and configuration are MIT. Reuse with credit: A zcohen-nerd technical guide by Zac Cohen. Usage & attribution →