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Lighting Controls: From Code Compliance to Retrofits by Sean Grasby

William Attardi on May 1, 2026

When we talk about lighting controls, we often limit the conversation by focusing on how lights are turned on and off, or how to optimize lighting in various spaces to enhance productivity or conserve energy. While these are important things to consider, in reality, any conversation about lighting control systems should also include several other elements as well. When electrical contractors engage with customers about lighting controls, they should ensure that any conversations also incorporate code requirements, “future-proofing,” and whether a retrofit may be beneficial. Lighting Controls: From Code Compliance to Retrofits | EC&M

 Ensuring lighting controls meet code requirements

As energy codes become more stringent, contractors now need to collaborate with lighting designers, architects, and engineers to not only ensure the lighting design and performance fit the specific needs, but also to comply with industry codes. Clearly, this is no small task — in many cases, a trusted distribution partner can bring in the right expertise or handle much of the administrative burden on the contractor’s behalf.

 Key Takeaways

  • Ensuring lighting control systems meet industry standards such as ASHRAE 90.1, IECC, and NFPA 101 is essential for compliance and safety.
  • Future-proofing involves selecting adaptable, integrated lighting controls that support upgrades and system integrations like HVAC and BMS.
  • Retrofits offer a cost-effective way to upgrade lighting technology, improve efficiency, and reduce disruption compared to new construction projects.
  • Advanced controls like luminaire level lighting control (LLLC) optimize energy use and enable real-time environmental adjustments.

 

Decoding California’s Title 24, Part 6

William Attardi on August 26, 2025

Commercial building energy codes regulate the design of nonresidential buildings to minimize energy consumption. While the majority of U.S. states adopt model codes and standards, the State of California developed its own code: Title 24, Part 6 of the state’s Building Standards Code. The latest version was released in 2025 and will take effect January 1, 2026. Title 24, Part 6 covers residential, nonresidential, high-rise residential, and hotel/motel buildings. Title 24, Part 6 contains robust, detailed lighting and control requirements. It requires a broad range of controls to ensure general lighting is turned Off or reduced when not needed.  .  For lighting, a number of changes have been made, mostly adjustments and clarifications. Decoding California’s Title 24, Part 6

Memo: Clarifications to the NLC 2020 Report – 2025 update

William Attardi on February 22, 2025

 “Energy Savings from Networked Lighting Control (NLC) Systems With and Without LLLC”  Key updates include refined clarification of the definition of luminaire-level lighting controls (LLLC) used in the report, elaborated explanations on several important aspects of the control savings factors (CSFs), and distinguishing the calculation methodology between high-end trim savings and other control strategies (occupancy sensing and daylight harvesting). The memo emphasizes that the documented CSFs reflect average savings across a diverse set of projects, where optimal programming varied, and highlights considerations for small sample bias in evaluations. Building-specific CSFs and their limitations are explained, and the memo differentiates findings from a related redesign study to avoid misinterpretation. Lastly, an updated executive summary and errata sheet correct clerical errors, reaffirming that NLC systems with LLLC offer higher energy savings potential but encouraging ongoing updates as technology and datasets evolve.

TRAINING: How to Design a Lighting Control System by C. Webster Marsh and Craig DiLouie

William Attardi on December 31, 2024

Based on EE105: Lighting Control System Design, a new course in the Lighting Controls Association’s Education Express program provides detailed information about designing an effective lighting control solution. In Part 1 of this Lighting Controls System Design series, we learned about key documentation including the Content Intent Narrative (CIN), Sequence of Operations (SOO), and Owner Project Requirements (OPR). The next step in design development in Part 2, is to turn these requirements and conceptual design into a realized design. In Part 3 of this series on how to design a lighting control system, we will discuss installation and post-occupancy. You will learn about bidding, responding to questions from installers, reviewing submittals and defending your design, following-through with the installation of the equipment, functional testing, training essential staff, and ultimately ensuring the owner is satisfied. How to Design a Lighting Control System

That’s one small step for man, one giant leap for mankind – The last time human beings headed moonward was on the Apollo 17 flight that launched Dec. 7, 1972—before any of the Artemis II crew members were born. Today’s crew will not land on the moon—they won’t even orbit the moon. But they will whip around the lunar far side, on a shakedown mission test-flying the Orion spacecraft. This is essential preparatory work for achieving NASA’s bigger lunar goals. Next year there will be another test flight in low Earth orbit during the flight of Artemis III, followed by up to two moon landings by Artemis IV and V in 2028, and annual landings thereafter. Unlike the Apollo program, Artemis aims not just for the so-called flags-and-footprints model of short, one- to three-day stays on the moon, but for a long-term presence at a long-term moon base in the south lunar pole, where deposits of ice can provide drinkable water, breathable oxygen, and oxygen-hydrogen rocket fuel. Very much like the Apollo program, Artemis finds itself in a closely watched moon race, not with the old Soviet Union this time, but with China, which has announced its intention to have astronauts on the moon by 2030. The U.S. is not going it alone this time, however. While Apollo was an entirely American enterprise, Artemis flies under the flag of 60 countries, signatories to the Artemis Accords, an international pact whose members vow to support the peaceful exploration of space and contribute money, modules, and astronauts to the Artemis cause. Artemis II Has Launched. Here’s Everything You Need to Know