Contact

Questions, corrections, and source suggestions are welcome.

Report a correction or suggest a source

The fastest way today is to open a public note on our GitHub issues page (a free GitHub account is required). Please include the page link, the figure, and the source you think is correct.

A direct email address will be added here soon.

Before you write

• We cannot give electrical, legal, or tax advice. Please talk with a licensed electrician for anything connected to your home's wiring.
• How we research and handle corrections: sources and editorial policy.
• HomeBackupCost is run by Paul Graves in Dublin, Ohio. About us.