Engineering Disclaimer

Planning information only

VanSpecs articles and calculators provide educational and early-stage planning information. They are not a substitute for a site-specific engineering design, permit, certification, inspection, commissioning test or professional advice.

Verify before installation

Use the exact current manufacturer datasheet, installation manual and rating label for every component. Verify voltage, current, temperature, environmental exposure, protection, wiring method, structural loads, ventilation, drainage and emergency provisions.

Marine, gas, high-voltage AC, lithium battery, structural, fire and potable-water work must be reviewed and installed in accordance with applicable local requirements by qualified professionals.

Inputs and assumptions

Results depend on the values entered by the user and on simplified assumptions. A result that appears within a range is not a safety approval, and a result near a limit requires additional margin and verification.

No guarantee

VanSpecs Technical Team makes no guarantee that an article or calculation is complete, current or suitable for a specific vehicle, vessel, building, installation or jurisdiction. Use the information at your own risk and obtain professional confirmation for decisions that affect safety, property or compliance.