Glossary - B

Brightness:

The degree of obvious lightness of a surface: its brilliancy and concentration of candlepower. Brightness is produced by either a self-luminous thing, by light energy transmitted through objects and by its reflection. Unit of measurement of brightness is a foot-lambert.

Ballast:

Transforms and controls electrical power to the visual light. A device used with an electric-discharge lamp (for instance, fluorescent lamps) to get hold of the necessary circuit conditions for preliminary and operating.

Bulb:

The outer covering or envelope of a lamp.

Bulb Darkening:

It a type of darkening an incandescent lamp caused by little particles of tungsten that fade away from the filament and put down on the bulb as the filament burns.

Brass Candle Sconces:

A metallic alloy that is made up of zinc and copper. Fixtures could be made of this.

Brass Lighting Fixtures:

This is the vertical section of brass tube, which connects the main body of the fixture to the canopy on the ceiling.

Base Cap:

A solid wood cap, which fits over a prong of the metal understructure bottom of an office desk and credenza or storage cabinet.

Benches:

A subdivision and (or) layer of a coal bed alienated from other layers by partings of non-coal rock.

Beacon Lights:

It is a modern type of light currently used in many lighthouses to produce a characteristic. Also used in a lot of airport beacons.

Contact Us