Terms of Use

Terms of Use

Last updated: 2026-11-04

By using this website you agree to these terms.

Information only

Content on this site is for general educational purposes. Electrical, plumbing and structural work can be dangerous and may be regulated where you live. Always follow local codes and consult a licensed professional. You use the information and calculators at your own risk.

Purchases

Digital products are delivered as downloads after payment. Because they can't be returned, all sales of digital products are final unless the file is defective. Physical goods may be returned within 30 days in original condition.

Affiliate links

Some links are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.

Comments

You are responsible for what you post. We may remove comments that are spam, abusive or off-topic.