How Do You Verify an IP65 Claim on a Solar Light? An IP65 claim should be verified by more than the word “waterproof” on a quotation or product page. Under the IEC IP classification system: 6 refers to the solid-particle protection level. 5 refers to the water-ingress protection level. For IP65, the enclosure is classified … Continue reading How to Verify an IP65 Waterproof Claim for Outdoor Solar Lights: A B2B Buyer’s Guide