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The BNTECHGO 20 Gauge Silicone Wire Spool offers 100ft of ultra-flexible, high strand-count tinned copper wire insulated with premium silicone rubber. Rated for 600 volts and resistant to extreme temperatures from -60°C to 200°C, this dual-color (red and black) wire spool is engineered for professional-grade electrical, modeling, and digital applications, ensuring superior conductivity, corrosion resistance, and ease of use.




















| ASIN | B01F8PO6VK |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 84,251 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 73 in Copper Wire |
| Colour | Red,Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,534) |
| Date First Available | 26 July 2016 |
| Item Package Quantity | 1 |
| Item Weight | 200 g |
| Item model number | SW20G008F50C2 |
| Manufacturer | bntechgo.com |
| Material | Copper |
| Part Number | SW20G008F50C2 |
| Product Dimensions | 7.11 x 7.11 x 6.86 cm; 200 g |
| Size | 20 gauge silicone wire each color 50ft |
| Voltage | 600 Volts |
J**R
very flexible - ideal for tight spaces
very high quality, very flexible.
D**N
Nice quality wire
Very good quality wire one thing to say before buying look at the photos carefully because it clearly shows 2 separate spools of different coloured wires
K**Y
Great cable just a shame it is so expensive....
It really is 18AWG unlike a lot of others where 8awg of what you buy is insulation.
M**H
Convenient, high flexibility, useful heat resistance
I've used this to make connections between flexible LED strips and from power adapters to those LED strips. I find the flexibility really useful in tight spaces where neatness is important. The silicone outer (being highly resistant to temperature) is also useful where I need it to be as close to the soldering point as possible. For the purpose I need, black and red lengths are usually equal so having black and red on one reel is a worthwhile convenience in my tool box and for my checklist.
9**5
太いコードもええけど、これぐらいでちょうど良いです。
B**A
Good stuff, has good insulation, and the wire is flexible, I use it for radials for a HAM radio antenna.
B**T
If you are looking for wire that is extremely flexible, then this is the stuff for you! I used it to reach a couple aftermarket sensors on my boat's outboard motor. Obviously the engine moves around a lot, so flexibility was very important. And the silicone insulation is good near the other hot components, although I did put it in a flexible protective conduit. A couple months later it is showing no wear, so I would rate the quality high, and a good value for the money.
V**.
Ottimo cavo a buon prezzo
D**R
I’ve been using this Portable 80m–10m No‑Tune End Fed Half‑Wave (EFHW) Antenna with my Yaesu and other HF gear, and it’s been excellent for both portable ops and backyard setups. The “no tune” aspect is real — I can put the antenna up quickly, and it works across 80 m through 10 m without constantly firing up an antenna tuner. That alone makes it a huge timesaver when I’m on the go or setting up at field locations. Installation is simple: toss the end high in a tree or onto an elevated support, run the feedline back to the radio, and you’re good. The built‑in matching transformer does its job well — SWR stays low across most bands (well within usable ranges), and I get solid contacts into DX stations with moderate power. Signals come in clear, and I’m not fighting a high SWR or wasted power. Pros: ✅ Real “no‑tune” multi‑band performance (80m–10m) ✅ Quick and easy to deploy in the field or backyard ✅ Matches well with typical HF rigs (FTX‑1, Yaesu, etc.) ✅ Good efficiency and solid on‑air results ✅ Ideal for portable, camping, or emergency use Cons: ⚠️ Requires a decent support height for best performance on 80 m ⚠️ Balancing and feedline routing still matter (like any wire antenna) Overall, this is a versatile and reliable EFHW antenna that saves tons of setup time while still delivering excellent on‑air performance. Whether you’re doing portable field ops, contests, or simple backyard HF fun, it’s a great all‑around antenna.
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