Solar fundamentals
Industry Term

Humidity Rating

Humidity rating defines the moisture conditions a device can tolerate during operation or storage.

What does Humidity Rating mean?

Humidity rating defines the moisture conditions a device can tolerate during operation or storage.

Why does Humidity Rating matter in a solar project?

This term helps explain how a PV system is designed, installed, monitored, or operated. A clear definition keeps owners, installers, and inspectors speaking the same solar dialect.