IES Lighting Ready Reference App Available as Free Download

LDS 19 CS IES App 400

Oct 10, 2019

The IES Ready Reference App, produced by the Illuminating Engineering Society is now available as a free download.

Now available in English, French, AND Spanish!

The App provides:

  • Core lighting knowledge, including values from illuminance tables
  • General knowledge information, assembled from The Lighting Handbook, 10th Edition and IES standards
  • Simple calculator for quick and easy basic lighting and energy and economic calculations
  • Search feature allowing you to find the information you want

Contents include:

  • The principles of quality lighting
  • The physical principles of lighting, including reflection and refraction, the physiology of human vision and related topics, including colour and glare
  • Lighting equipment, including light sources, lighting controls, and luminaire classification systems
  • Practicalities of lighting design, including energy, economics, sustainability, and maintenance.

The IES App is compatible with any Android or iOS smart phone or tablet.

Go HERE for more information

Related Articles

Latest Articles

  •  Dine Recessed Series from Liteline

     Dine Recessed Series from Liteline

    March 9, 2026 The Dine Recessed Series is a versatile lighting fixture designed to create a warm, inviting atmosphere with consistent light output. It offers ultra-low glare and exceptional adjustability, delivering precise illumination ideal for design-focused hospitality and high-end residential spaces. This fixture is the perfect solution for applications that require field-changeable optics to meet Read More…

  • Case Study: DarkSky-Friendly Storage Facility Lighting in Kitchener

    Case Study: DarkSky-Friendly Storage Facility Lighting in Kitchener

    March 9, 2026 By CSC LED A well-lit exterior is critical for storage facilities—supporting visibility, security, and peace of mind after dark. Recently spotted on site in Kitchener, Ontario, this storage facility showcases a thoughtful lighting approach that balances performance, efficiency, and neighbourhood consideration. Installed by The Electricians Inc., the project combines durable perimeter lighting with Read More…

  • Challenges and Opportunities in ICI Construction in 2026 as OCS Poll Reveals Quiet Contractor Confidence

    Challenges and Opportunities in ICI Construction in 2026 as OCS Poll Reveals Quiet Contractor Confidence

    March 9, 2026 Annual OCS poll reveals quiet contractor confidence amid trade uncertainty, escalating material costs, financing concerns and continued labour market imbalances Ontario’s non-residential building contractors remain resilient in the face of a turbulent and uncertain marketplace, according to the Ontario Construction Secretariat’s annual Contractor Survey.  Two-thirds of the contractors who participated in the Read More…

  • Guide to the Canadian Electrical Code, Part 1, 26th Edition– A Road Map: Section 58 — Passenger Ropeways and Similar Equipment

    Guide to the Canadian Electrical Code, Part 1, 26th Edition– A Road Map: Section 58 — Passenger Ropeways and Similar Equipment

    March 9, 2026 by William (Bill) Burr[i] The Code is a comprehensive document. Sometimes it can seem quite daunting to find the information you need quickly. This series of articles provides a guide to help users find their way through this critical document. It is not the intent of these articles to replace the notes Read More…

Changing Scene

  • Liteline Welcome New Regional Sales Manager for GTA

    Liteline Welcome New Regional Sales Manager for GTA

    March 9, 2026 Liteline are excited to welcome Peter McCumber as Liteline’s Regional Sales Manager-GTA! “Peter brings more than two decades of experience in the electrical manufacturing and wholesale industry, where he has established himself as a dynamic and results-oriented sales professional,” the company said on LinkedIn. “With Peter’s positive attitude, commitment to excellence, and Read More…

  • New Freshco (not the grocery store) Women in Trades Bursary Supports Leadership Development Across Canada

    New Freshco (not the grocery store) Women in Trades Bursary Supports Leadership Development Across Canada

    March 9, 2026 The Canadian Apprenticeship Foundation is proud to announce the launch of the Freshco (not the grocery store) Women in Trades Bursary, a new initiative designed to support women and non-binary trades professionals in accessing professional development opportunities that strengthen leadership, confidence, and long-term career success. The bursary was established with a named Read More…

  • Eaton Milton Facility Grand Opening

    Eaton Milton Facility Grand Opening

    March 5, 2026 Last month, Eaton celebrated the grand opening of their new Milton facility, joined by customers, industry partners, senior executives and team members. “This expansion doubles our capacity to grow with our customers, strengthens local manufacturing, and enables us to continue delivering innovative power management solutions across Canada,” said Shelly Vaz, Business Unit Read More…

  • Weidmuller Canada Welcomes Franklin Empire Inc. to PRO Partner Family

    Weidmuller Canada Welcomes Franklin Empire Inc. to PRO Partner Family

    March 5, 2026 Weidmuller Canada have announced Franklin Empire Inc. as a new member of their PRO Partner family in Ontario and Québec! “Joining at the Gold level, this marks a proud step forward in strengthening our presence and collaboration across the Ontario and Québec region,” the company said on LinkedIn. “A heartfelt thank you to Read More…