If you're reading this, you're probably in a bind. Maybe a grand opening is in 48 hours and the fixtures are wrong. Maybe a client just added a room and your lithonia-lighting order won't arrive in time. Or maybe, like me, you're looking at a checklist that says "install emergency light" and realizing you have no idea what model to buy.
I've been on both sides of this for about seven years. Early in my career, I was an electrician on commercial builds. Now, I'm the guy who takes panicked calls at 4:00 PM on a Friday. I’ve handled over 200 rush orders for lithonia lighting led ultra thin wafer 6 inch recessed lights, industrial high-bays, and emergency light units that needed to be installed by Monday morning.
This is my time-tested checklist. It’s not perfect (I’ll point out where I still screw up), but if you follow these 10 steps, you’ll cut your stress in half and avoid the really expensive mistakes.
Who This Checklist Is For
This is for anyone who needs to order, specify, or install lighting on a tight deadline. Think:
- Facility managers dealing with a failed ballast on a Friday
- Contractors whose material got lost
- GCs staring at an empty box where the lithonia lighting fixture should be, two days before inspection
If you have a week to plan, this isn't the right list. You have time to bid out. This is for the 48-hour crunch.
The Emergency Lighting Procurement Checklist
Step 1: Know Your Voltage (And Don't Assume)
I've wasted more time on this than anything else. You can't just order a random lithonia lighting led ultra thin wafer 6 inch and assume it works. Most commercial buildings here in the US run on 120V, 277V, or 347V (in Canada).
What I do now: Before I call a supplier, I snap a picture of the existing driver label. It has the voltage range. If I can't get to the site, I ask the client one specific question: "Is this a 120-volt or 277-volt building?" To be honest, about 30% of the time they're not sure (unfortunately). In that case, I default to a universal voltage driver (120-277V) if the budget allows.
(I learned this the hard way. In 2021, I ordered 24 of the wrong voltage fixtures. The return shipping ate my margin. Ugh.)
Step 2: Verify the Lumen Output
This sounds obvious, but in a rush, you tend to grab the first thing that fits. An lithonia lighting led ultra thin wafer 6 inch is a common choice, but they come in 600, 800, and 1000+ lumens. You need the right one for the space and the code.
The shortcut (risky, but effective): I match the existing fixture's approximate light output. If I'm replacing a 60W incandescent, I'm looking for about 800 lumens. If I'm starting fresh, I go for the highest lumen output that doesn't exceed the room's code requirement (usually found in the IES or local building codes).
Look, are there fancy calculations for this? Yes. But in a 48-hour window, you don't have time for photometric studies. You need a solid match. I keep a running list of “chandelier parts equivalent” in my head for weird retrofits. It’s not elegant, but it works.
Step 3: The Hidden Step — Check Physical Compatibility (The Thing I Always Forget)
Here’s the step I still get wrong. It seems simple: you order a lithonia lighting fixture and expect it to fit. But trust me — not all fixtures fit in all spaces.
What I check now:
- Ceiling depth: For wafer lights, the junction box or driver needs depth. My standard wafer is 0.5 inches thick, but the driver adds another 2-3 inches. If you have a shallow ceiling (like some drop ceilings), you need a specific model.
- Can vs. No can: Is there an existing housing? Or am I retrofitting? This changes the trim style you buy.
- Cut-out size: I use a template. Seriously. A 6-inch wafer might require a 6.25-inch cut-out. It’s not a universal fit.
(This was true especially with a job in March 2023. We lost a Saturday because we didn't measure the cut-out. The lithonia lighting led ultra thin wafer 6 inch we had on hand had a larger trim ring than the old housing allowed. The client's alternative was a huge hole in the ceiling for a week.)
Step 4: Call a Supplier Who Stocks It (Don't Just Order Online)
In an emergency, the fastest delivery isn't always Amazon. I have a list of 3 local supply houses that stock lithonia-lighting products. I call them. I ask if they have the specific model on the shelf.
The question I ask: "Do you have model [X] in stock now, and can I pick it up today?" If they say "maybe" or "we can order it," I move on. I need a yes or a no.
Online retail is fine for planning. For emergencies, local stock is your best bet. But here's the catch: verify their pickup hours. I've had a supplier say "yes" on the phone, only to arrive at 4:30 PM and find the warehouse closed.
Step 5: Ask About Lead Times (Not Just Prices)
People ask about price first. I ask about lead time first. Based on my data from 200+ rush orders, price often correlates with availability. The cheapest option often has a 3-week lead time.
My script: "I need [model] by [date]. What's your earliest shipping date?" Only then do I ask for price.
I've learned to accept paying a premium for speed. It's better than missing the deadline.
Step 6: Buy a Spare (Seriously, Get One Extra)
This is non-negotiable. For every 10 fixtures you need, buy 1 spare. If you need 24 lithonia lighting led ultra thin wafer 6 inch units, buy 26. Here's why:
- Shipping damage: About 1 in 15 arrives with a dented driver.
- Defective unit: It happens. About 2-3% of new fixtures don't work.
- You'll drop one. (It’s me, I drop them.)
The cost of that spare is way less than the cost of a service call to return a week later for one fixture.
Step 7: Have a Backup Plan for the Emergency Light
An emergency light isn't just a light. It's a safety device. It has to work for 90 minutes on battery. In a rush, it's easy to grab the cheapest option.
The mistake I made once: I bought a cheap emergency light unit online. It passed initial inspection but failed the 90-minute test. We had to replace it. The cost of that replacement (plus labor) was 4x the unit's price.
Now I buy UL-listed only. I also check the battery type. Nickel-cadmium (Ni-Cad) is old tech and has a shorter lifespan. Nickel-metal hydride (Ni-MH) or lithium are better, but more expensive. I weigh the trade-off based on the client's needs. But I always ask: "What's the lifespan of the battery?"
(The upside of buying a better unit was lower service calls. The risk of buying a cheaper one was a callback. I kept asking myself: is saving $20 worth potentially losing the client? The answer was no.)
Step 8: Document Everything for the Inspector
Inspectors want to see the paperwork. They want to know the fixture is rated for the space (especially in a wet or damp location). They want to see the UL sticker.
My checklist for inspection day:
- Keep the product box and manual for each type of fixture
- Take a photo of the label on the emergency light
- Have the invoice handy to prove they're lithonia-lighting products
In a hurry, people throw away boxes. That's a mistake. You need to prove these are code-compliant fixtures. A label from a lithonia lighting fixture is your best friend during an inspection.
Step 9: The Question Nobody Asks — How do you make an outdoor motion sensor light? (Wait, That's Not My Job)
Look, this question gets a ton of search volume. People see how do you make an outdoor motion sensor light and think it's a DIY project. But in a commercial emergency, you're not "making" one. You're specifying and ordering a compatible one.
The real shortcut: Most lithonia-lighting outdoor fixtures come in two versions: with and without a motion sensor. If you need a motion sensor, buy the version that has it built-in. It's UL-listed for outdoor use and comes with the correct driver. Trying to add an aftermarket sensor to a standard fixture is a huge time sink and often fails inspection.
(But if you're genuinely asking because you have an old fixture and want to add a sensor... you need to check the wattage rating of the sensor and buy one rated for LEDs. Standard sensors designed for incandescent bulbs can burn out an LED driver. That's a separate problem.)
Step 10: Test Everything Before Final Install
I know you're crunched for time. But testing before you mount the fixture to the ceiling saves you later. Here's what I do:
- Plug one unit into a temporary power source or wall outlet
- Leave it on for 10 minutes
- Check if the emergency light battery kicks in when you cut the power
- Listen for buzzing (cheap drivers can be noisy)
It takes 15 minutes per fixture type. It's saved me from installing 3 dead fixtures from a bad batch.
Common Mistakes I Still Make (And You Probably Will Too)
1. Underestimating shipping from chandelier parts suppliers. Those decorative parts come from different warehouses. A chandelier arm and canopy might ship separately. If you need to repair a chandelier parts assembly, order everything at once and ask if it ships from one location. If not, pay for expedited on every box.
2. Ignoring the damp rating. I grabbed a standard lithonia lighting fixture for an outdoor covered patio once. It looked fine. But it wasn't rated for humidity. After 6 months, corrosion started. Now I check the IP rating or UL wet/damp listing on everything.
3. Forgetting to check if the emergency light is self-testing. Building codes often require self-testing units that log data. If you're getting an inspection, buying a unit with self-testing capability saves you from having to manually test it every 30 days. It's a bit more upfront, but it's a massive time-saver.
One Last Thing: Prices as of January 2025
Pricing varies wildly. For reference, a basic lithonia lighting led ultra thin wafer 6 inch is around $15-25 per unit. A commercial emergency light runs $40-$80. A lithonia lighting fixture for industrial use can be $150+. But verify current pricing with your supplier—these numbers are based on my orders from Q4 2024.
If you've only got 48 hours, you don't need perfect—you need working. Use this checklist, skip the panic, and get the job done.