I bought this TYUMEN 20 gauge wire to finish off a batch of LED strip runs around the house, and it did the job fine. But I’ll be straight with you: it’s thin wire at a price that doesn’t feel thin, and most of what I paid for was the spool and the convenience of red and black in one order.
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Quick verdict
This is real stranded oxygen-free copper, 16 strands of 0.2mm per conductor, with a thick PVC jacket and a spool that actually dispenses without tangling. For 12V and 24V LED strip work it behaves exactly the way hook-up wire should. Just go in knowing that 20 AWG is small, and that per foot you can beat this price. check current price on Amazon
Why I bought it
I had a stack of LED strip projects to finish — a couple of under-cabinet runs, some behind a TV, and a short outdoor lighting hop — and I was tired of chopping up old extension cords and lamp cord for it. Strip makers generally want 20 to 22 AWG for the short jumper runs between strips and the controller, so 20 AWG was the right size for the job I actually had.
Buying red and black in one order matters more than it sounds. When you’re wiring up strips, polarity mistakes are the number one way to kill a controller, and having easily distinguishable conductors saves you from re-checking every joint with a multimeter. One spool of each color in a single order was the appeal.
What it’s like to use 20 gauge wire
Stripping it is easy. The conductor is fine-stranded but stays together, so it twists up cleanly and takes a ferrule or a screw terminal without stray strands poking out. The jacket cuts back predictably, which is more than I can say for some cheap hook-up wire I’ve bought.
My one real observation is about the jacket. It’s thick relative to the copper inside. That’s good for abrasion and for anything running along a wall or through a cabinet, and it makes the wire feel more substantial in your hand. It also means the wire is stiffer than 20 AWG usually is, and I’d treat the bulk as partly compensation — a thick jacket makes a small conductor look like more wire than it is.
The listing claims 99.95% oxygen-free copper rather than copper-clad aluminium, and the conductor does have the bright copper look and solder behaviour I’d expect from OFC rather than a silver-grey aluminium core. That’s worth caring about, because CCA at this gauge gets hot and resistive quickly.
The gauge is the real limit. At 12 volts, 20 AWG carrying a couple of amps over a few feet is fine. Run it 30 feet to a strip drawing more current and you’ll watch the far end go dim, because that’s voltage drop, not a bad strip. If your run is long, buy 18 or 16 AWG and skip the argument. One more thing worth checking before you order: the listing’s bullet copy says the package includes 100 ft red and 100 ft black, while the spec field lists the unit count as 100 feet, so confirm what quantity you’re actually buying.
And if you need wire for anything that carries real current — automotive runs, amplifier power, a bilge pump — don’t use this. I’d go to eBay and buy proper automotive wire. It’s cheaper per foot and rated for the environment it’s going into.
Key specs
| Brand / model | Tyumen, TY-1-111 |
| Gauge | 20 AWG |
| Conductor | 16 strands × 0.2mm, oxygen-free copper (not CCA) |
| Conductors | 2 — red and black |
| Colors | Red & Black |
| Length | 100 feet (listing also states 100 ft red + 100 ft black) |
| Jacket | PVC, flame retardant |
| Voltage | 12V / 24V DC low voltage |
| Item weight | 1.3 lb |
| ASIN | B07SJ44SN1 |
Who should skip it
Skip this if you’re feeding anything beyond low-voltage DC, or if you’re pushing a couple of amps down a long run — you want 16 or 18 AWG for that. Skip it if you’re wiring automotive or audio gear, where rated automotive wire from eBay is both cheaper and more appropriate. And skip it if price per foot is your main metric, because this isn’t the cheap option.
FAQ
What is 20 gauge wire good for?
It’s a low-current hook-up wire. In practice that means LED strip jumpers, small 12V and 24V DC projects, model and hobby wiring, controller-to-strip connections and short sensor runs. It’s not house wiring, not speaker runs of any real length, and not automotive power. For those you want a heavier gauge with a rating that matches the load.
Is 20 AWG too thin for LED strips?
For the short runs between a strip and its controller, no — that’s exactly what it’s for. For long runs, yes. Voltage drop is proportional to distance and current, so a 25-foot 20 AWG run at 3 amps on a 12V system will visibly dim the far end. Size up a gauge or two as length or current climbs.
Is this copper wire or copper-clad aluminium?
The listing states 99.95% oxygen-free copper and specifically says it isn’t copper-clad aluminium. The conductor looks and solders like OFC rather than CCA, and it’s the reason this wire is worth more than the cheapest 20 AWG spools on Amazon, which are usually aluminium core.
Bottom line
If you need red and black 20 AWG on a spool for LED strip and low-voltage DC work, this stuff is easy to strip, genuinely copper, and pleasant to use. It’s just not a bargain, and the thin gauge limits what you can ask of it. Buy it for small DC jobs and buy automotive wire elsewhere for anything that carries real current. check current price on Amazon