Is there a UL Listing for this product?

Does not appear to be UL rated.

Is the 12v negative attached to the AC gorund?

No it is not connected, they are two separate sections. but depending on your application you can connect the negative terminal from the power supply to ground, as an example think of a car the negative terminal from the battery is connected to the chassis of the car and that is the ground reference for all the devices connected in the car.

How many strands of the alitove ws2811 12v led pixel can i operate out of this?

It’s a 60 watt power supply, so it depends on the wattage of your leds. Watts = volts X amps

What's Barrel Type? The average person doesn't have a micrometer to measure with; let alone if they don't have one to measure.

Get a micrometer on ebay! They're cheap and very worthwhile. Anyways this has 5.5mm OD, 2.1mm ID. A similar variation that this would not work with is the same 5.5mm OD but 2.5mm ID - this type of plug will usually have a yellow plastic insert on the male end, compared to a black insert on the 2.1mm ID plug sold here.

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Description

⚡ Power your passion with flawless, fail-safe energy!

BUILT IN FORTRESS - Automatic overload, over-voltage, thermal cut-off, and short circuit protection safeguard your valuable electronics.
GLOBAL COMPATIBILITY - Supports wide 100-240V AC input, perfect for any workspace or home environment worldwide.
VERSATILE POWERHOUSE - Ideal for LED strips, 3D printers, CCTV, audio amps, routers, and more—one adapter to power them all.
POWER THAT NEVER QUITS - Delivers a consistent 12V 5A output with zero voltage fluctuations to keep your devices running flawlessly.
PLUG PLAY CONVENIENCE - Includes a free female DC connector for effortless, solder-free wiring—get your setup done in minutes.

The ALITOVEDC 12V 5A Power Supply Adapter offers a reliable, universal AC input (100-240V) and a stable DC output with advanced safety features including overload, over-voltage, thermal, and short circuit protection. Designed for seamless compatibility with 5.5x2.5mm DC jacks, it’s perfect for powering LED strips, 3D printers, CCTV cameras, and various electronic devices, ensuring consistent performance and peace of mind.

Reviews

H**E

replacements

We have LED lit signs that go through power supplies, i buy about 4 at a time for spares, they seem to last a year or 2, but some are on 24-7

8.09.2025

C**W

still holding up after a year

I bought this to replace a burnt-out power cord for a mini dehumidifier. It has a slightly higher capacity than the dehumidifier actually uses. I've had it plugged in almost constantly for about a year now with no issues. The brick gets pretty warm, but so far not hot enough to damage the carpet it's sitting on.

24.08.2025

T**D

Well made

Works as advertised

16.09.2025

D**1

Better than a wall wart, just watch out for the light.

Power supply for my cable modem was dying, figured the extra capacity would mean it lasts longer than than a replacement sized for the max required load. Helps that being an in-line design makes it easier to plug into the power strip with the rest of the network gear. We shall see how true that is. Only downside I see is that there is a blue light on it that is fairly bright. Not an issue with where I have it but could be annoying in a bedroom or similar.

24.12.2024

R**H

Just what I needed

23.08.2025

S**L

Perfect

Worked so that made her room light.

11.08.2025

T**S

Great price and fast delivery.

Works great.

13.08.2025

B**T

After about 6 months of light use it starting crackling... NOT UL LISTED

Worked for about 6 months for 10 mins a day. The rest of the time it was plugged in but the device it was powering was not turned on. Recently, it started making a crackling noise like something was shorting/burning/getting hot inside just while plugged in. The device it was powering wasn't turned on drawing power. Couldn't smell magic smoke, but I think the unit is a sealed unit. Decided to stop using it before it caught fire.NOTE: Neither the description nor the unit says UL Listed. I would look elsewhere and will be buying a different brand that is UL Listed. I didn't think I'd have to look for this in today's times. I just assumed if it was sold in the US and was an electrical device that it would be UL Listed. Be safe and go with another brand. A $15 power supply could burn down your house. Is it worth it?

22.04.2025

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