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Wall Bracket
Fixture designed to be mounted on a vertical surface, including sconces, urns and valances.Wall Grazing
A lighting technique in which light is aimed down a wall for a grazing effect. For dramatic shadows, especially on textured surfaces such as brick, draperies or stone, mount the lights 6 to 12 inches from the wall, with the fixtures the same distance apart and aimed downward.Wall Lighting
Lighting directed on a wall or vertical surface to emphasize that plane, enhance the surface texture, or bounce light back into the room. Increasing wall brightness generally makes a room seem more spacious.Wall Washing
A lighting technique in which a wall is evenly washed with light. For most surfaces, mount the track 2 to 3 feet from the wall on ceiling up to 9 feet high. Mount between 3 and 4 feet on ceilings between 9 and 11 feet high. Space the fixtures the same distance apart for even light distribution.Watt
A unit of electrical power. The watt (symbol: W) is the a derived unit of power, equal to one joule of energy per second. It measures a rate of energy conversion.
Wattage
The amount of electricity consumed by a bulb.
WebCTRL 
WebCTRL is a Browser-based building automation system manufactured by Automated Logic Corporation. Through WebCTRL, users can fully access their buildings' schedules, setpoints, trends, alarms, and other control functions from virtually any computer, anywhere in the world. Users can also control their buildings with WebCTRL from wireless devices such as a cell phone. WebCTRL supports multiple languages simultaneously and includes a powerful spreadsheet-based reporting tool. A native BACnet system, WebCTRL interfaces with Modbus and many other protocols to provide an integrated solution to building control needs.
WDMA
Window and Door Manufacturers Association is trade association for the window, door and skylight industry whose member companies are U.S. and Canadian manufacturers of high performance products for the domestic and export markets.
WDMA develops industry standards and test methods to certify products to industry standards, represent the industry before building code and regulatory bodies, conduct research on the fenestration industry.
Window and Door Manufacturers Association
1400 East Touhy Avenue, Suite 470
Des Plaines, IL 60018
Phone: 847-299-5200
Fax: 847-299-1286
