Ads
related to: fluorescent overhead shop lights
Search results
Results From The WOW.Com Content Network
A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor, to produce ultraviolet and make a phosphor coating in the lamp glow.
Best Overall: BBounder 5000K LED Utility Shop Lights. Best Portable: DeWalt Battery Powered LED Work Light. Best for Large Spaces: Barrina LED Shop Light. Most Durable: VCMag High Bay Commercial ...
New lighting systems have not used magnetic ballasts since the turn of the century, however some older installations still remain. Fluorescent lamps with magnetic ballasts flicker at a normally unnoticeable frequency of 100 or 120 Hz (twice of the utility frequency; the lamp is lit on both the positive and negative half-wave of a cycle).
Cove light – indirect lighting recessed into the ceiling in a long box against a wall. Troffer – recessed fluorescent light fixtures, usually rectangular in shape to fit into a drop ceiling grid. Chandeliers in the Bibliothèque Mazarine (Paris) Surface-mounted light – the finished housing is exposed, not flush with the surface.
Cross section of a typical fluorescent lamp with and without a reflector. Some lamps have an internal opaque reflector. Coverage of the reflector ranges from 120° to 310° of the lamp's circumference. Reflector lamps are used when light is only desired to be emitted in a single direction, or when an application requires the maximum amount of ...
A trouble light using a compact fluorescent lamp. From top to bottom are a hook, a cage, the switch and a handle in one molding. A trouble light, also known as a rough service light, drop light, or inspection lamp, is a special lamp used to illuminate obscure places and able to handle moderate abuse.