Some products may have an IP (Ingress Protection) rating, this rates the degree of protection provided by the enclosure against intrusions. Typical IP Ratings for Lighting Products: IP20: Protected against a solid object greater than 12.5mm, such as a finger. Not protected against water. IP65: Dust tight, protected against jets of water with limited ingress permitted. IP67: Dust tight, protection against the effects of immersion in water between 15cm - 1m for 30 minutes. IP68: Dust tight, protection against effects of immersion in water under pressure for long periods.