Below are recommended foot-candle ranges based on the latest guidelines from the Illuminating Engineering Society (IES). These values serve as a general reference for proper lighting levels in various environments. Actual lighting requirements may vary depending on specific applications and space usage. For detailed analysis, consult the IES Lighting Handbook or contact our lighting experts for personalized recommendations.

What Is the Illuminating Engineering Society (IES)?

The Illuminating Engineering Society (IES) is a globally recognized organization dedicated to advancing the art and science of lighting. Founded in 1906, the IES serves as the leading technical and educational authority on illumination, with over 8,000 members in nearly 60 countries. Its diverse membership includes lighting designers, engineers, architects, educators, and researchers committed to improving quality of life through excellence in lighting.

As a non-profit, the IES’s mission is to enhance the well-being of individuals and communities through standards-based, energy-efficient, and innovative lighting solutions. Their work supports the development of safe, sustainable, and effective lighting environments across residential, commercial, and industrial sectors.

What Does the IES Do?

The IES provides essential resources, standards, and training for professionals in the lighting industry. Its ANSI-accredited process ensures that the organization produces trusted, peer-reviewed documents that shape lighting design and engineering practices worldwide.

Key IES Contributions Include:

• Lighting Standards and Guidelines: Through the IES Lighting Library®, the society publishes over 100 authoritative documents including recommended practices, design guides, and performance standards.

• Technical Research: The IES commissions and distributes research papers and technical reports covering innovations in lighting technology, photometry, visual comfort, and more.

• Professional Education: The IES offers webinars, seminars, and conferences that keep members informed on the latest developments in LED lighting, smart lighting systems, daylighting design, and energy codes.

• Certifications and Training: Certification programs and continuing education resources help lighting professionals meet industry requirements and maintain best practices.

The Mission and Impact of the IES

At its core, the IES is committed to promoting energy-efficient, sustainable, and high-quality lighting solutions. Through its research and standardization efforts, the IES plays a critical role in shaping the future of lighting design and helping professionals meet evolving safety, environmental, and performance benchmarks.

Core Publications and Tools:

• The IES Lighting Handbook: Widely regarded as the definitive reference for lighting professionals, this comprehensive guide covers lighting principles, terminology, calculations, and system maintenance.

• IES Lighting Library: A digital resource with detailed information on lighting science, design methodologies, and current lighting regulations.

• IES Standards Library: Includes all current IES-approved standards and practices, supporting compliant, efficient, and human-centric lighting designs.

Why the IES Matters in the Lighting Industry

Whether you're an architect designing for LEED certification, an engineer working on large-scale commercial lighting systems, or a contractor looking for up-to-date installation practices, the IES is an invaluable resource. Its contributions help shape industry best practices, inform public policy, and elevate the overall quality and performance of lighting across all sectors.

To learn more or to access IES resources, visit the official IES website or contact us for expert guidance on applying IES standards to your next lighting project.

 IES Lighting Specification for Sports Fields

IES RP-6-15 covers recommended lighting practices for recreational to professional sports fields and venues with specific guidelines for individual sports.