Focus Earth Glossary

A comprehensive collection of key terms and definitions you need to know

Clear
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
This is some text inside of a div block.
LED (Light Emitting Diode)
Highly energy-efficient light source that produces light through the movement of electrons in semiconductor materials.
Traditional Lamps and Fixtures
Lighting Supply and Illumination Industry
Lamp
Instrument furnishing artificial light.
Luminaire Components
Lighting Supply and Illumination Industry
Lamp Socket
Component that holds a light bulb and connects it to the electrical system.
Installation and Maintenance
Lighting Supply and Illumination Industry
Leverage
Use of borrowed capital (mortgage) to finance the purchase of property, which amplifies both potential returns and risks.
Financial and Investment
Property Valuation
Light Distribution
Refers to how light is spread across an area, including direct, diffuse, or mixed types of distribution.
Basic Lighting Terms
Lighting Supply and Illumination Industry
Lumens (lm)
Unit of measurement for the total amount of visible light emitted by a source. Higher lumens indicate brighter light.
Basic Lighting Terms
Lighting Supply and Illumination Industry
Luminous Efficacy (lm/W)
Ratio of luminous flux to electrical power. Higher efficacy means more light output per watt.
Basic Lighting Terms
Lighting Supply and Illumination Industry
Luminous Flux
Total quantity of light emitted by a source, measured in lumens (lm).
Basic Lighting Terms
Lighting Supply and Illumination Industry
Lux (lx)
Unit of illumination, equal to one lumen per square meter. It measures the amount of light that falls on a surface.
Basic Lighting Terms
Lighting Supply and Illumination Industry
Clear
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
This is some text inside of a div block.

Lighting Supply and Illumination Industry

Luminaire Components

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Lighting Supply and Illumination Industry

Luminaire Components

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Basic Lighting Terms

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Traditional Lamps and Fixtures

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Lighting Design and Applications

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Property Valuation

General

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Types of Valuation

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Income-Producing Property

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Financial and Investment

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Property Types and Classifications

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

Organizations

Organizations

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)

LED Types

LED Types

Fixture
Housing portion of the luminaire, connecting a light to the infrastructure (ceiling, wall, pole, etc.)
Causes We Support:
Environment
󰅂
Education
󰅂
Science
󰅂

Supporting the community by
giving back
every time.

Focus Earth donates a portion of each successful project to a charity of your choosing.  Working with us directly supports your favorite organizations.

Explore Our Favorite Charities