What does the term 'nominal width' refer to in a fixture model number?

Nominal width in a fixture model number typically refers to a designation that is often expressed in feet, which indicates a standardized measurement. This term helps in categorizing lighting fixtures based on their size, facilitating easier identification and selection for specific applications or spaces. It serves as a convenient shorthand for specifying dimensions, allowing users to quickly understand the general size and fit of the fixture without needing detailed measurements. The use of nominal width helps architects and designers in planning and coordinating layouts within a built environment.