Scope

Lighting-level planning planning only. It does not state a legal minimum, emergency-lighting requirement, medical requirement, or project specification.

Lookup table

Compare representative maintained illuminance ranges for common workplace tasks and areas.

Scroll sideways to keep row labels aligned with hidden columns.

Lookup basis summarizes representative workplace lighting guidance ranges; project specifications and jurisdictional requirements need current source review.
Work areaTypical maintained luxTask contextBoundary
Corridor and circulation50 to 150 luxmovement and wayfindingplanning range only; project specifications and current workplace requirements govern final values
Storage and basic utility rooms100 to 200 luxshort-duration visual tasksplanning range only; project specifications and current workplace requirements govern final values
Office writing and computer work300 to 500 luxgeneral office tasks and screen workplanning range only; project specifications and current workplace requirements govern final values
Detailed bench or assembly work500 to 1000 luxfine visual detail and inspectionplanning range only; project specifications and current workplace requirements govern final values
Electrical rooms and equipment service areas200 to 500 luxequipment identification and maintenance planningplanning range only; project specifications and current workplace requirements govern final values
Retail display and service counters300 to 750 luxcustomer-facing task and display lightingplanning range only; project specifications and current workplace requirements govern final values
Notes
  • Check table values for preliminary lookup and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.