As the ETC Marketing Team started the conversation with Avraham Mor and Casey Diers of Morlights in Chicago, IL, it began with interest.
“Why is DALI different? Why should people care?”
For decades, architectural lighting in America has leaned on habits more than outcomes. 0-10V dimming became the default, not because it was refined or future‑proof, but because it was familiar. Electricians knew it, and contractors trusted it. Owners rarely asked deeper questions. In North America, many prioritized familiarity and simplicity over quality and flexibility.
As LED lighting has become the standard, and buildings demand more flexibility and long‑term durability, installing lighting systems based on familiarity is no longer necessary.
DALI is at the center of new and emerging conversations about lighting control systems.
In our discussion with Avraham and Casey, a simple question was asked: “Why does DALI matter now?”
It’s not about declaring a single “winner” among control protocols. Instead, it’s about providing a solution for their clients that minimizes cost, maximizes technology, and takes into consideration how their buildings actually operate.
LEDs are digital devices. Their drivers are computers. Yet the industry persists with controlling them as if they are incandescent lamps: with analog tools, like phase dimming and 0-10V tools that were designed for an earlier era. DALI acknowledges what LEDs already are. Instead of sending fluctuating voltages and hoping every fixture responds the same way, DALI sends clear, digital commands:
“Go to 50 percent, fade over four seconds, shift to 3200K.”
The driver does the work consistently and predictably.
In one project, Casey described that a 0-10V voltage drop caused fixtures at opposite ends of a room to be hundreds of degrees Kelvin off. The system wasn’t broken. Everything was working as it was designed, but the result was visibly incorrect and required the electrician to rewire the system.
“That is fundamentally impossible with DALI,” Casey said. “The driver knows what 3200K is supposed to be.”
The result is not just better performance, it’s a more desirable outcome. Color temperature stays consistent across long runs. Low‑end dimming is smoother. Flicker is minimized. And the system performs the same way today, as it will five and ten years from now.
The DALI Cost Myth and the Math Behind It
DALI drivers typically cost the same as their 0-10V equivalents. The real savings come from everything around them.
Mor makes a valuable point, “DALI doesn’t save money on one fixture, it saves money on the whole system." With DALI, a single control bus can support up to 64 drivers and 16 control groups. That means fewer wires, less conduit, as-needed control devices, and significantly reduced labor, especially as zone complexity expands.
From hospitality spaces to residential high‑rises, the math is consistent. As the number of zones goes up, DALI becomes more cost‑effective, not less.
Mor says, in many instances, “If you’re specifying anything other than DALI, you’re costing your client more money.”
Mor described a project with three linear up-down fixtures in a fitness facility. All three fixtures meet at a central junction box. Had the system been a 0-10V system, a single junction box could contain roughly 50 wires—black, white, purple, gray, green, repeated ten times. Troubleshooting means tracing voltage through a cluster of wires that barely fit within a code‑compliant box.
With DALI, that same junction box would only need four control wires plus ground. The sophistication didn’t disappear, it simply moved into the control system, where it belongs. Zoning can be changed without opening walls, and fixtures can be added with a simple T‑tap and an address.
DALI even affects how a system is installed, tested, and maintained. Electricians can check wiring with a test button before commissioning begins, which allows troubleshooting to become an uncomplicated process. If a device doesn’t respond, it’s either not plugged in or it has failed. There’s no guessing, no voltage chasing, and fewer unwanted variables at the end of a project.
For facility teams, the advantages continue long after installation. DALI systems can report when a driver goes offline or when a fixture fails, many times before anyone even notices. In larger buildings, visibility saves time and labor.
In the U.S., proprietary lighting ecosystems dominated installations for years. It promised simplicity, but delivered lock‑in. If they failed or have been discontinued, these entire systems had to be removed and replaced.
DALI took a different path. It’s an open protocol, and any certified device works with any compliant controller. If one manufacturer disappears, the system will survive, allowing buildings to be designed to last decades.
It allows end users to avoid manufacturer lock‑in and protects them from proprietary ecosystems that may require costly upgrades. DALI‑2 certification offers another layer of confidence by ensuring integration through third‑party verification.
“DALI‑2 certification means it actually does what it says it does.”
For ETC, this coincides with a long‑standing commitment to open standards and customer choice. Lighting systems should serve their buildings, not entrap them.
None of this suggests that DALI replaces every protocol. DMX continues to be essential where speed and theatrical precision are required. But in architectural and commercial environments, like schools, airports, offices, healthcare, and hospitality, DALI integrates with how buildings are designed, installed, and operated.
The real shift underway isn’t about declaring winners. It’s about moving away from outdated analog control or proprietary systems and toward digital open systems that match modern expectations.
Morlights sums it up, “Analog control had its moment. Digital control is the future. DALI just happens to be the most practical way to get there.”
To learn more about ETC’s DALI-2 certified gateway, visit https://www.etcconnect.com/Response-DALI-Mk2/
For more DALI installations by Morlights see below:
https://www.morlights.com/portfolio/view/acebounce
https://blog.morlights.com/morlights-blog/from-concept-to-reality-at-spelman-college
https://www.morlights.com/portfolio/view/steppenwolf-theatre
DALI Alliance Training Presentation by Morlights:
https://www.dropbox.com/scl/fi/08zc5bbuhf9dle2llcgyv/NA-DALI-Summit-MORLIGHTS.pdf?rlkey=nk4gw2ob2eq8r19fcmjxc1i7z&st=dla6u7ej&dl=0