NEMA 6-20 Plug to 6-20 Connector Extension Power Cord - 25FT, 20A/250V, 12/3 SJTW, T Blade - Black

So far so go good. The cord seems well put together, heavy duty, and likely matching the claimed specs. The only way to know for sure would be a destructive test (cutting it in half to check conductor size), which I’m not going to do. I am using it to get a little more length on the cord for my table saw while doing some work in the shop that necessitated moving the saw a bit far from its designated outlet. For this purpose it has worked just fine, so I feel like this was a good product choice. The cord itself is reasonably flexible given its thickness, and the outer jacket seems like it will be durable, though I haven’t used it for a long duration yet.

I use it to charge my Tesla. Its a very solid and good construction cord. It does bend pretty easily too but all at the same time very thick and well-made. It works as intended and does not get hot. It can handle 6-20 load no problem for sustain periods. The black color does not rub off. Price was on the good side too!

Does it's job, been used outside to run an EV charger the last year, still going strong, cord still flexible. Good quality in my opinion!

It feels solid and after a month of daily abuse I haven't had any issues with it. It was the best price I could find for the length, gauge and configuration I needed.

Great extension cord. Use it with my electric car charger. The 12 gauge wire is enough to provide a constant 20 amps for charging.

Nice extension cord. Good strain relief, works as expected with my tools.

I’ve been using this extender to charge an EV across a driveway. Despite being fully exposed to heavy rain and winter weather, it has held up perfectly.

Good price on 240 volt 20 amp cord