Search results
Results from the WOW.Com Content Network
These bulbs tend to be transparent white or colors, and are often ornately designed with crystal-like patterns. Later bulbs called C 7 + 1 ⁄ 2, have diameters of seven and a half 1/8th inches (15 ⁄ 16 in, or 24 mm) using an E12 candelabra base; however, these have a blunt shape (and should therefore be called B 7 + 1 ⁄ 2, or B24).
Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]
In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location.A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room.
AOL latest headlines, entertainment, sports, articles for business, health and world news.
A 3-way lamp, also known as a tri-light, is a lamp that uses a 3-way light bulb to produce three levels of light in a low-medium-high configuration. A 3-way lamp requires a 3-way bulb and socket, and a 3-way switch. In 3-way incandescent light bulbs, each of the filaments operates at full voltage. Lamp bulbs with dual carbon filaments were ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
To reduce unintentional ultraviolet (UV) exposure, and to contain hot bulb fragments in the event of explosive bulb failure, general-purpose lamps usually have a UV-absorbing glass filter over or around the bulb. Alternatively, lamp bulbs may be doped or coated to filter out the UV radiation. With adequate filtering, a halogen lamp exposes ...
This page was last edited on 29 June 2005, at 00:30 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...