A comprehensive collection of key terms and definitions you need to know
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Photocell
Sensor that automatically adjusts lighting based on the amount of natural light available.
Electrical and Control Systems
Lighting Supply and Illumination Industry
Power Supply
Element that provides power to lights.
Luminaire Components
Lighting Supply and Illumination Industry
Real Estate Market Cycle
Periodic fluctuations in the real estate market, typically moving through phases of expansion, peak, contraction, and recovery.
Market and Economic Terms
Property Valuation
Recessed Lighting
Fixtures installed into the ceiling to provide unobtrusive lighting, often used in modern design.
Lighting Design and Applications
Lighting Supply and Illumination Industry
Rent Roll
Document showing the list of tenants, rent amounts, lease terms, and other details of the rental income.
Income-Producing Property
Property Valuation
Residential
Property intended for living purposes, including single-family homes, condominiums, and apartments.
Property Types and Classifications
Property Valuation
Resistance (ohms)
Opposition that a material offers to the flow of electic current, it depends on factors such as the materials properties, length and cross-sectional area. Higher resistance indicates less current flow. Measured in ohms.
Basic Lighting Terms
Lighting Supply and Illumination Industry
Return on Investment (ROI)
Measure used to evaluate the efficiency of an investment, calculated as (gain from investment - cost of investment) / cost of investment.
