High Mast Lighting 1,Intended Use:Highways, 2, Interchanges, Ports, Rail yards ... Container Yards, Parking Areas, Truck Stops, Treatment Plants, Security Lighting, Sports Lighting Lamp CharacteristicFeatures:The "High Mast Advanced Optix" family has ... hermetically sealed between glass and cover (patent pending), asymmetric lighting distribution, 400W is IESNA cutoff, Internal terminal block, Unitized ...