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A Lamps
The most common incandescent household lamp; a standard general service lamp.
Advanced Application Controller (AAC)
A fully programmable control module. This control module may be capable of some of the advanced features found in Building Controllers (storing trends, initiating read and write requests, etc.) but it does not serve as a master controller. Advanced Application Controllers may reside on either the Ethernet/IP backbone or on a subnet.
Accent Lighting
Localized and directional lighting used to highlight, focus attention or dramatize a room or outdoor space. As part of a decorating scheme, it is used to spotlight paintings, houseplants and other possessions, or to highlight the texture of a wall, drapery or outside landscaping. Accent lighting requires at least three times as much light on the focal point as the general lighting around it.AIC - Amperage Interrupt Capacity
A rating of maximum amperage interrupt capacity of an active device such as a breaker that is designed to safely open up under over-current conditions.
Aiming Angle
How you point or direct an adjustable light. The aiming angle is calculated from vertical or nadir. An aiming angle of 30 degrees is effective for paintings and/or sculptures.Alabaster
Shades can be made of either alabaster stone or alabaster glass. Alabaster stone is much like marble in that it is quarried, cut and made into shades and bowls. It creates a warm, rich look, with each piece being completely unique. Stone is very expensive, however, so many lighting pieces recreate the look with more affordable alabaster glass.Alzak
The trade name used for a method of anodizing. Now a generic term for brightened, anodized aluminum.Alternating Current (AC)
Flow of electricity which cycles or alternates direction many times per second. The number of cycles is referred to as frequency. Most common frequency used in this country is 60 Hertz (cycles per second).Ambient Lighting
Also known as general lighting, ambient lighting provides an area with overall, non-specific illumination. Ambient lighting radiates a comfortable level of brightness, enabling one to see and walk about safely. It can be accomplished with chandeliers, ceiling or wall-mounted fixtures, recessed or track lighting or with outdoor fixtures. A basic form of lighting that replaces sunlight, ambient lighting is fundamental to lighting a home.Amperes / amps
The unit of measurement of electrical current.
ANSI - American National Standards Institute
American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment. ANSI acts as a U.S. standards and conformity assessment system.
ANSI oversees the creation, distribution and use of thousands of standards and guidelines that directly impact businesses in nearly every sector. ANSI is also actively engaged in accrediting programs that assess conformance to standards – including globally-recognized cross-sector programs such as the ISO management systems.
Established in 1918, ANSI's mission is to enhance both the global competitiveness of U.S. business and the U.S. quality of life by promoting and facilitating voluntary consensus standards and conformity assessment systems, and safeguarding their integrity.
Learn More > http://www.ansi.org/
Aperture
Opening of a fixture through which light exists.Application Specific Controller (ASC)
A pre-programmed control module which is intended for use in a specific application. ASCs may be configurable, in that the user can choose between various pre-programmed options, but it does not support full custom programming. ASCs are often used on terminal equipment such as VAV boxes or fan coil units. In many vendors' architectures ASCs do not store trends or schedules but instead rely upon a Building Controller to provide those functionsArchitectural Lighting
This broad term generally refers to built-in fixtures, such as downlighting, valance lighting or a luminous ceiling. Some people also include functional lighting, such as track or simple fluorescent, which has an architectural appearance.Argon
Inert gas used in incandescent and fluorescent lamps. In incandescents, argon helps retard the evaporation of the tungsten filament.Article 110-10, governs the design of industrial control panels. The previous edition of the code was hard for contractors to understand and difficult for electrical inspectors to enforce regarding electrical panels – especially those fabricated on site by the contractor.
Article 409 was developed out of a concern for previous NEC rules which were vague and scattered throughout the code, such as Article 110-10, governing the design of industrial control panels. The previous edition of the code was hard for contractors to understand and difficult for electrical inspectors to enforce regarding electrical panels – especially those fabricated on site by the contractor. One way Article 409 overcomes these difficulties is by introducing the need for an SCCR for industrial control panels.
ASHRAE
The American Society of Heating, Refrigerating and Air-Conditioning Engineers advances technology to serve humanity and promote a sustainable world. Membership is open to any person associated with the field.
ASHRAE also publishes a well recognized series of rules and guidelines (or standards) that relate to HVAC, fire, safety and lighting systems. These standards are often referenced in building codes. Examples of some ASHRAE Standards are:
- Standard 135 – BACnet - A Data Communication Protocol for Building Automation and Control Networks
- Standard 62.1 – Ventilation for Acceptable Indoor Air Quality (versions: 2001 and earlier as "62", 2004 and beyond as "62.1")
- Standard 62.2 - Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings
- Standard 90.1 - Energy Standard for Buildings Except Low-Rise Residential Buildings - The IESNA is a joint sponsor of this standard.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.
1791 Tullie Circle, NE
Atlanta, GA 30329-2305
Visit ASHRAE: http://ashrae.org/
ASME
American Society of Mechanical Engineers
Three Park Avenue
New York, NY 10016-5990
ASTM
ASTM International
100 Barr Harbor Drive
West Conshohocken, PA 19428-2859
A standards development organization that serves as an open forum for the development of international standards.
Average Rated Life
The number of hours required for half of a large group of lamps to fail or burn out. The actual life of any lamp or small group of lamps will typically be different from the average rated life.
Automated Logic Corporation is located in Kennesaw, Georgia, and manufactures building automation systems. Several of its technological innovations include: EIKON, a uniquely powerful, universal programming tool; SuperVision, a Graphical User Interface (GUI); ALERT alarm management; Connect third-party subsystem integration; I/O Hardware including controllers and 
routers; and WebCTRL, a web-based building automation system.
Automated Logic systems are installed in commercial office buildings, industrial plants, critical mission facilities, healthcare facilities, educational facilities, government complexes, hospitality/entertainment venues and retail locations worldwide.
Products are sold through an international network of dealers who design, engineer, install and support Automated Logic products. Automated Logic Corporation was acquired by the Carrier Corporation (parent: United Technologies Corp.) in 2004.
As a founding member of the BACnet Manufacturers Association, Automated Logic was one of the first to offer products using our industry’s standard protocol – BACnet.
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