Educational reference
Terms of use
Important limitations for using PowerTotals electrical calculators and reference material.
Planning information only
PowerTotals provides mathematical calculations and general educational information. It does not provide engineering, electrical contracting, inspection, legal, code-compliance, permit, or safety services.
Verify before use
You are responsible for verifying inputs, outputs, units, equipment specifications, manufacturer instructions, the adopted electrical code, local amendments, and authority-having-jurisdiction requirements. A qualified professional should review consequential designs and installations.
No warranty
The service is provided as available without warranties of accuracy, fitness, availability, or non-infringement to the extent permitted by law. Do not rely on it as the sole basis for work that could cause injury, fire, property damage, or service interruption.
Intellectual property and independence
PowerTotals does not reproduce NEC or CEC protected tables or text and is independent of NFPA and CSA Group. Third-party names and links identify sources or products and do not imply affiliation.