This is my second Cooper OVD streetlight. This fixture uses 400 watts mercury vapor and is older than my 2010 Cooper OVD. This fixture is definitely a bit different so watch to find out more! Enjoy and subscribe for more videos in the future! Also be sure to check out my street light collection and other photos at https://www.lightinggallery.net/gall.... ODOT Spec Cooper OVD    • Cooper OVD 310W HPS Street Light  .