There’s No One‑Size‑Fits‑All Lighting Setup

Look, I’ve reviewed hundreds of lighting specifications over the past four years – roughly 200 unique product batches annually for our commercial and retail clients. And if there’s one thing I’ve learned, it’s that the “best” choice depends entirely on what you’re trying to light and where. A chandelier in a hotel lobby has different requirements than a spotlight in a warehouse, and the power supply you need for a smart‑lighting retrofit is nothing like the old transformer you’re replacing.

This article breaks down the most common lighting scenarios I see, with specific recommendations for Feit Electric products (of course), and a few hard‑earned lessons about specs that often get overlooked. I’m not here to sell you a universal solution – I’m here to help you find yours.

Here are the three main scenarios we’ll cover:

  • Scene 1: Decorative / accent lighting (chandelier candles, flame‑effect bulbs)
  • Scene 2: Functional / task lighting (spotlights, flood lights, high‑bay)
  • Scene 3: Retrofits & wiring upgrades (installing a switch with three wires)

Scene 1: Decorative Lighting – Chandelier Candles & Flame Bulbs

Chandelier candles and flame‑tip LED bulbs are all about appearance. But here’s where most people get it wrong: they choose based on looks alone and ignore CRI (Color Rendering Index) and color consistency.

I once approved a batch of 500 flame bulbs for a boutique hotel lobby – 3‑watt models, very similar to Feit Electric’s 3‑Watt Flame LED Bulb. They looked warm and nice in the sample photo. But on delivery, the color temperature varied by 150K from bulb to bulb. In a chandelier with 12 bulbs, the mismatch was obvious. The hotel rejected the whole order. That mistake cost us a $22,000 redo and delayed the opening by two weeks.

“I only believed that CRI matters after that batch – now every decorative bulb contract includes a CRI ≥90 requirement and a color‑temperature tolerance of ±50K.”

My advice for this scenario:

  • For chandeliers with exposed bulbs, choose Feit Electric’s flame‑tip LEDs with CRI ≥90 (like the 3‑watt model). The higher CRI makes crystal and fabric look richer.
  • If you need dimmable flame bulbs, verify the dimmer compatibility – Feit Electric’s site lists compatible dimmers as of March 2025 (verify at feit.com/dimmer-compatibility).
  • Order a sample batch of 10‑20 bulbs first. Place them side‑by‑side and check for color variance. Do not trust a single sample unit.

My experience is based on about 60 decorative lighting orders. If you’re working with luxury crystal chandeliers ($$$), your tolerance for any variation will be much tighter – budget accordingly.


Scene 2: Functional Lighting – Spotlights, Flood Lights & the Power Supply Question

Functional lighting is where people often scrimp on the power supply, thinking any “LED driver” will do. That thinking is wrong – and expensive.

Take spotlight background lighting for a retail display: you need consistent output, no flicker, and a power supply that can handle the load without overheating. I’ve seen contractors use a generic Class 2 power supply for a pair of 50W flood lights, only to have the supply fail after 6 months because it was rated for continuous load but the ambient temp exceeded spec.

One project in Q4 2024 – a 50‑unit outdoor spotlight run – we specified Feit Electric’s Class 2 Power Supply Model FEDC5V3A (5V, 3A, 15W max). The vendor tried to substitute a cheaper unit. I ran a blind test: same spotlights, same environment, 8 hours continuous. The cheap supply dropped output by 12% after 4 hours. The FEDC5V3A held steady. That test saved us from a field failure that would have cost at least $3,000 in labor and replacements.

“The Class 2 rating isn’t just a safety feature – it’s a performance guarantee when the supply is matched to the load.”

For spotlights and flood lights, here’s my checklist:

  • Always match the power supply’s continuous rating to at least 120% of the total load. For Feit Electric’s FEDC5V3A, that’s 15W – fine for one 10W spotlight or two 7W units (14W total).
  • Check the supply’s operating temperature range. If the application is outdoors or in an attic, choose a unit rated for ‑20°C to +50°C. Feit’s FEDC5V3A is rated for 0–40°C; for colder environments you’ll need a different model.
  • Ask the supplier to provide the actual efficiency curve (many hide it). A supply that’s only 75% efficient at 50% load means more heat and shorter lifespan.
  • Transparent pricing: The FEDC5V3A lists for about $11 at major distributors (price as of February 2025; verify at feit.com). The cheap alternatives? $7. But they often lack UL certification and fail early – the hidden cost of extra replacements.

Scene 3: Wiring Upgrades – How to Install a Light Switch with 3 Wires

This scenario is really two different cases, depending on whether you’re replacing an old switch or running new wire.

Case A: You have three wires coming into the box (hot, neutral, load)

Most modern switches (including smart switches) need a neutral. If the existing switch box has a white neutral wire, great. But many older homes have only two wires (hot and load) plus a ground – no neutral. The common advice is “you can’t install a smart switch without neutral.” That’s not entirely true.

I’ve tested Feit Electric’s smart switches (Zigbee/WiFi models) – some do work without a neutral by using a small current through the bulb, but they require a compatible load (≥ 5W LED). That’s a gotcha: if you use a 3‑watt flame bulb with a “no‑neutral” smart switch, you’ll get flicker or failure. Transparency issue: Most product pages don’t highlight this compatibility requirement clearly. I’ve learned to ask upfront: “What’s the minimum load for this switch?”

Case B: You’re running new wire (e.g., for a new fixture)

With three wires – black (hot), white (neutral), and a ground (bare or green) – installation is straightforward: hot to load, neutral to neutral, and ground to box. But here’s the twist that contradicts popular advice: You should not tie all three neutrals together in a multi‑gang box without checking the circuit capacity. I once saw a DIYer connect three neutrals in a triple‑gang box, each from different circuits – that’s a code violation (NEC 300.13(B)). The result was a neutral overload that melted a wire nut.

“If you’re adding a switch, always verify which wires are on the same circuit. Use a voltage tester on every wire – even the neutrals can carry current from other loads.”

Quick install steps for a standard smart switch (with neutral):

  1. Turn off the breaker and confirm no power with a non‑contact tester.
  2. Connect the switch’s incoming line (black) to the hot wire from the panel.
  3. Connect the switch’s outgoing load (red or black) to the fixture’s black wire.
  4. Connect the white neutral wire from the switch to the bundle of white neutrals in the box.
  5. Cap any unused wires with wire nuts.

I’ve only worked with U.S. residential wiring (120V, 60Hz). If you’re outside North America, your wiring conventions differ – double‑check local codes.


How to Decide Which Scenario Applies to You

Still unsure where your project fits? Ask yourself these three questions:

  • Is the primary goal visual appeal or raw output? → If it’s ambiance, start with Scene 1. If it’s illumination (like a spotlight background), go to Scene 2.
  • Are you replacing an existing fixture or running new wire? → If you have three wires in the wall, that’s Scene 3. If you’re adding a new switch from scratch, also Scene 3.
  • Do you have a Class 2 power supply already? → If you’re buying a spotlight kit, verify the supply specs – don’t assume the included one is adequate. Check the FEDC5V3A or equivalent.

If you’re still on the fence, buy a single unit of each likely component and test them together before scaling up. That small upfront test – maybe $40 – has saved me thousands in rejected batches. It’s the most transparent investment you can make.


Prices and product specifications are based on publicly available data as of March 2025. Verify current details at feit.com or your distributor’s website. Regulatory references: NEC 2023 (NFPA 70) for wiring; Energy Star certification criteria v2.0 for LED bulbs.