Fully threaded glass globes prevent cross threading, assuring a tight seal|Low maintenance indoor/outdoor lighting where moisture, dirt, dust, corrosion and rough service are problems|Low profile fixture design for where low ceiling height presents a light problem|To light cold storage facilities, walkways, bridges, tunnels and security locations|Certified zinc alloy provides increased corrosion-resistance|High quality replaceable porcelain socket with high temperature leads enables for easy field maintenance