Version 2.6
| Term | Term Definition | Options | Unit of Measure |
|---|---|---|---|
| Diesel | View | None | |
| Diesel | View | None | |
| Diesel | View | None | |
| Diesel | View | None | |
| Diesel-coupled rotary UPS | A Rotary UPS is where one or more electrical rotating machines provide the output voltage. A rotary UPS that contains an integral diesel engine that may be used to supply power to the load during an input power failure. | View | None |
| Differential | View | None | |
| Diffuse horizontal radiation | The radiation component that strikes a horizontal plane from the sky | View | None |
| Diffuser | View | None | |
| Digital | View | None | |
| Digital | A television product which has at least one digital tuner or at least one digital video input (e.g., HDMI). Products with an analog tuner and both analog and digital inputs are considered digital products under this specification. | View | None |
| Digital duplicator | A product sold as a fully-automated duplicator system through the method of stencil duplicating with digital reproduction functionality. | View | None |
| Digital picture frame | An electronic device, typically with a diagonal screen size less than 12 inches, whose primary function is to display digital images. It may also feature a programmable timer, occupancy sensor, audio, video, or bluetooth or wireless connectivity. | View | None |
| Digital video recorder | Digital Video Recorder (DVR) is a feature that records television signals on a hard disk drive (HDD) or other non-volatile storage device integrated into the STB or DVG for playback at an arbitrary time. A DVR includes features such as: Play, Record, Pause, Fast Forward (FF), and Fast Rewind (FR). STBs or DVGs that only support buffering or a Service Provider network-based ÒDVRÓ service are not considered DVR STBs or DVGs for purposes of this specification. The presence of DVR functionality does not mean the device is defined to be a STB or DVG. | View | None |
| Dimension |
A linear measurement in one direction. Can be used to generically describe this measurement, if needed. |
View | ft |
| Dimmable | Capable of being dimmed | View | None |
| Dine-in | Meals prepared within the premises, to be consumed within the establishment or common seating area. | View | None |
| Dining area | A dining room is a room in a residential house for consuming food. | View | None |
| Dinner | The main meal of the day, typically more formal and in the evening. | View | None |
| Direct | This is used in association with GHG emissions, associated with on-site fuel combustion (e.g., combustion of natural gas or fuel oil). | View | None |
| Direct | Direct fired water heaters store 20 or more gallons of hot water in a storage tank. Hot water comes from the top of the tank, while a cold water line at the bottom of the tank replenishes it. Depending on the type of fuel the water heater uses, some form of burner warms the cold water entering the tank. | View | None |
| Direct | View | None | |
| Direct | View | None | |
| Direct | View | None | |
| Direct | Direct lighting, also known as down lighting, casts downwards from a luminaire to provide lighting with uniform levels of illumination. Open, louvered, and lensed luminaires can all be direct. | View | None |
| Direct current output UPS | UPS that supplies power with a continuous flow of electric charge that is unidirectional. Includes both individual rectifier units for dc applications and entire Dc-output UPS frames or systems, consisting of rectifier modules, controllers, and any other supporting components. | View | None |
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