| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,740,868,563 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
photoresistor |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.01 sec. |
|
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Some accomplishments include reduced lighting in unused portions of the mines, controlled photocells, motion sensors in rooms, disconnecting unneeded equipment, and automation of auxiliary fans at Hoyle Pond, to name a few. Photocells automatically turn on fixtures at dusk and off at dawn, providing protection even when you're not home. To do this, Photocells are used in conjunction with occupancy sensors, which shut lights off when rooms are empty, and electronic sensor control provides the maximum energy efficiency for lights. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|