The main part of the light distribution of a directional light source, accent light, or downlight.

The width of the beam in degrees. Beam spread is defined as the point where intensity falls to 50% of maximum candlepower.

A lamp base with two pins. Used for some halogen lamps, most MR lamps, and fluorescent lamps.

Architectural outdoor fixture mounted low to the ground on a post for general or path lighting.

Electrical circuit running from an electrical breaker panel.

Satin, or lightly textured, finish produced by brushing with a wire wheel or buffering with a fine abrasive.

Also known as BR Lamps. Modified R lamp (see R Lamp) to meet the efficiency standards of EPACT. Produce a soft-edged beam that is less precise and narrower than those of PAR Lamps.

An accent light with a round back.