OFHC (Oxygen Free High Conductivity Copper)

Definition:

Oxygen-Free High-Conductivity (OFHC) copper is a highly refined copper material containing a minimum of 99.95% copper with extremely low oxygen content. It provides excellent electrical conductivity, typically exceeding standard copper conductivity levels (101% average conductivity in the annealed state), and is commonly used in applications requiring high purity and reliable electrical performance.

 

Back to Wire & Cable Glossary

Resource Hub

Explore the New England Wire Resource Hub for practical insights, technical guidance, news and events, tradeshow information, downloadable brochures, and real‑world examples covering wire and cable materials, applications, and custom solutions. 

Visit the Resource Hub

Frequently Asked Questions

Find clear answers to common questions about New England Wire products, capabilities, materials, and custom cable solutions to help you move your project forward with confidence.

Visit our FAQ

Looking for a Part Number?

Our wire & cable products are 100% custom, but if you have a part number, we can help!
Please include your company name and location with the part number. Thanks!

No boundaries, just connections…

New England Wire manufactures custom cable in New Hampshire, USA.
We ship from coast to coast and around the globe.

Contact