Resources Contact Us Home
In-grade light fixture housing and hydrological barrier plate for use therein

Image Number 5 for United States Patent #7370988.

A hydrological barrier plate for in-grade light fixture housings and a housing for use with light fixtures to prevent water entry into the water sensitive compartments of the light fixture. The barrier plate has a plate body with an opening in which is sealably disposed an anti-syphon wire pass-through valve for electrically connecting the components on one side of the barrier plate with the wires in the junction box on the opposite side of the barrier plate. The barrier plate is sealed around its outer edge against the housing wall. The pass-through valve is configured to prevent water from wicking along the wires and to prevent water from passing around the valve. The barrier plate is installed without tools and an effective seal is easily obtained. Using the barrier plate, water is prevented from migrating between the junction box and the primary housing compartments of the housing.

  Recently Added Patents
Power conversion device and method for controlling thereof
Adsorptive molded parts and the use thereof
Hand-held electronic display device
Medical imaging probe with rotary encoder
Output device, source apparatus, television set, system, output method, program, and recording medium
Motorized home appliance door
Methods and systems for determining the reliability of transaction
  Randomly Featured Patents
Method for increasing the absorption rate of paper
Method of treating cannibalism in poultry
Apparatus for holding, supporting and maneuvering an animal carcass while holding open the rib cage of the carcass
Nematic liquid crystal composition and bistable nematic liqud crystal display
Dot-image forming method and the photoreceptor therefor
Optical method for measuring poisson's ratio
Bit-mapped on-screen-display device for a television receiver
Automobile wheel
Method of recording test results of die on a wafer
Ham product and method for production thereof