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A
| B | C | D | E | F | G | H | I | J | K | L | M | N | O |
P | Q | R | S | T | U | V | W | X | Y | Z
| Addition |
An
extension or increase in the height or floor area of a
building outside of the existing building envelope. |
| Alteration |
Any
construction renovation, or change in a mechanical system
that involves an extension, addition, or change to the
arrangement, type, or purpose of the original installation. |
| AFUE |
Annual
fuel utilization efficiency; combustion heating equipment
efficiency is expressed in terms of AFUE. New equipment
typically ranges from about 78- to 96-percent AFUE. Higher
AFUE ratings indicate more efficient equipment. |
| ASHRAE/IES
Standard 90.1 |
The
American Society of Heating, Refrigerating and Air-Conditioning
Engineers/Illumination Engineering Society Standard 90.1 |
| Automatic |
Self
acting, operating by its own mechanism when actuated by
some non-mechanical influence, such as a change in current
strength, pressure, termperature, or mechanical configuration. |
| Automatic
control device |
A
device capable of automatically turning loads on and off
without manual intervention. |
A
| B | C | D | E | F |
G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U
| V | W | X | Y | Z
| Ballast |
A
device used to operate fluorescent and HID lamps. The
ballast provides the necessary starting voltage, while
limiting and regulating the lamp current during operation. |
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