In 2009, UL standard 8750 was released to serve luminaries for LED lighting applications in branch circuits of 600V or less and replaced UL standard 1310. The specification also includes components within the supply. Power factor correction is used to reduce losses in utility lines, and is becoming a regulatory standard in many markets. All Advanced Energy power supplies typically have a PFC of 99% or more. Lightning protection is vital for many applications connected to an AC line. Emissions and emissions immunity standards are also very important. Advanced Energy supplies meet the applicable requirements of EN61000-4 and EN55015, and are potted for harsh environments, meeting the strict ingress protection requirements of either IP66, which is suitable protection for temporary flooding, or IP67, which is rated for 30 minutes of water immersion.