Satco LED Lighting Checklist: High Bays, Downlight Retrofits, Zigbee Motion, and Under-Cabinet Strips

If you're about to spec LED fixtures for a warehouse, a kitchen remodel, or a retail space, this checklist is for you. I've been on the ordering side of lighting projects for about seven years, and in that time I've personally wasted roughly $12,000—probably more, I stopped counting—on avoidable mistakes. This is the pre-order checklist I use now for any Satco order, especially high bays, downlight retrofits, and under-cabinet strips. There are five checks. Run them in order.

Check 1: Compare delivered lumens and beam angle, not wattage

When I started in this field, I compared high bay fixtures by wattage. That's the classic oversimplification. It's tempting to think a 100W high bay is a 100W high bay. But the difference between 11,500 lumens and 13,000 lumens at 100W is real—and beam angle changes the whole light distribution. A 60° beam on a 24-foot ceiling can leave the corners dark. A 90° beam might cover them perfectly. On a 2019 warehouse job, I ordered 48 Satco high bay LED lights based on the wattage and the 'bright enough' feeling. After installation, half the fixtures had to be re-aimed because the beam spread didn't match the building's rack layout. That cost an extra day and an electrician's overtime—roughly $950, if I remember correctly (which, honestly, felt like pouring money into a paper shredder).

What to look for: the LM-79 photometric file. Satco publishes these for most commercial fixtures. If the datasheet only lists wattage and not beam distribution, ask your rep. Also ask for L70/TM-21 data when you see 'long life.' Per FTC advertising rules (ftc.gov), performance claims like lifespan need to be substantiated. If the manufacturer can't produce the report, treat the number as a nice idea, not a spec.

Check 2: Measure the existing housing and cutout before ordering a retrofit

'Retrofit' sounds like it will just fit. It won't. The word hides driver dimensions, mount clip style, and housing depth. I found this out the hard way on a retail store project where the drawings specified 'downlight 60mm' for all the accent cans. We ordered a load of Satco LED downlight retrofit modules before measuring the housings. Turns out the ceiling had two generations of housings between the first ten stores. Around 14 of the 32 units didn't fit. $720 in restocking fees and a week's delay while we ordered the correct versions.

The 'all retrofit kits are universal' belief is a leftover from the old reflector lamp days. Today's modules have their own drivers and heat sinks. They need a compatible housing. So measure the cutout diameter (yes, even if it's a 60mm specification—60mm is not actually universal across manufacturers), measure the can depth, and note the socket type. A Satco LED downlight retrofit designed for one housing might not match another. Do not accept 'same size, should work.' It won't.

Check 3: Plan control systems early—especially Zigbee motion

Occupancy/vacancy sensing isn't an afterthought. I learned this on a school corridor project where the fixtures were supposed to have motion sensors. The contractor bought standard high bay fixtures because the 'smart' version was $12 more each. The sensors were never integrated; we ended up with surface-mount sensors and a makeshift control panel that took two weeks to commission. The extra parts and labor cost about $1,500 more than just buying the correct fixtures would have.

If you're considering Zigbee motion, choose fixtures with it built in or paired with a compatible driver from the start. Satco's connected fixtures support Zigbee motion and dimming, so you can group zones and adjust from a tablet. That's not just a convenience—it cuts the commissioning time significantly. I've seen a 200-fixture warehouse go from full manual walkthrough to a two-sensor group setup in an afternoon. The efficiency gain is real.

But check compatibility before ordering: Zigbee motion sensor, gateway, and driver have to work together. A Zigbee motion sensor cannot directly control a 0-10V driver unless there's an interface. If your spec calls for 0-10V dimming plus Zigbee sensing, you need a hybrid controller. Nailing this down at the quote stage is free; figuring it out in the ceiling is not.

Check 4: Are LED strip lights good for under kitchen cabinets? Yes, with three caveats

This is the question I get most from people doing residential and light commercial kitchens. Are LED strip lights good for under kitchen cabinets? The answer is yes—if you configure them correctly. A bad strip can make a beautiful kitchen look like a workbench. I know because I installed cheap strips in my own kitchen to save money. The adhesive peeled in six months, the color was cold and flat, and you could see every LED dot in the reflection. The 'I'll do it cheap now' decision cost more in the end: $300 for the original strip kits, then $480 for new ones plus an electrician to redo the wiring. Net loss, about $500, and my wife reminded me for weeks.

What the good under-cabinet strips have:

• 90+ CRI, or at minimum 80+ if you're okay with slightly washed-out reds and wood tones.
• A diffuser lens that hides the individual diodes.
• A proper LED driver, not a buzzing plug-in transformer.

The old belief that 'all LED strips look cheap' really comes from those first-generation no-name products. A modern strip at the right color temperature—usually 3000K or 3500K for cabinetry—looks like a custom light cove. If you're pairing strips with small accent lights in a 60mm downlight cutout, keep the color temperature consistent across both. A 3500K strip next to a 4000K downlight will drive you insane.

Satco makes under-cabinet strip kits with the driver and diffuser included. If you're a contractor, I'd still verify the CRI and whether the included driver supports the dimmer you're using. 'LED-compatible' on the package doesn't mean it will dim cleanly with a Zigbee dimmer.

Check 5: Verify color temperature and dimming control compatibility before ordering

This is the least exciting and most expensive mistake I've made. On a 298-unit apartment rehab—actually 298, one was a model unit and one was a sample—I specified 3500K in kitchens and 3000K in bedrooms. The distributor quoted a Satco downlight retrofit with field-selectable color temperature. I assumed the contractor would set each one correctly. They installed all of them at the default 4000K. We had to go back and toggle every accessible fixture, and reorder 40 units that couldn't be accessed without damaging drywall. Total added cost was around $2,800—I won't quote the exact number because it keeps changing in my memory. But the lesson: verify the default setting on any selectable fixture before installation, or risk a uniform climate of 'ice blue.'

Same with dimming. Have you confirmed the driver type? 0-10V, TRIAC, and DALI are not interchangeable. If you're pairing with Zigbee motion, the control chain must be specified end-to-end: sensor, gateway, driver, and fixture. I once watched a contractor order 100 TRIAC fixtures for a 0-10V project because the spec sheet didn't state driver type more than 'compatible with standard dimmers.' Standard to whom? Check the spec, check the cut sheet, check one sample fixture before ordering the rest.

The 30-second summary

Every mistake I listed came from treating a spec sheet like a complete document. It isn't. The fixture is only half the system; the housing, the driver, and the control protocol are the other half. If you're ordering Satco high bay LED lights, downlight retrofits, or under-cabinet strips, take twenty minutes to verify these five items. It's a lot cheaper than the eighteen hours of fixes I've paid for. At least, that's how it's gone in my commercial and multifamily work; if you're just swapping one fixture in your own kitchen, you can probably skip the photometric file.