What is the amperage rating of this lug?

I don't know and couldn't find an amperage rating for these cable lugs. However, they are more than heavy enough to carry the amperage for any application that you would use 4/0 cable for. They are high quality cable lugs and not cheap junk. I have used them for everything from battery cables on my diesel Ford truck to cable ends on my 220V Lincoln welder without a single issue.

Are these copper lugs safe to use for 120v?

Yes. They are certified up to 600 Volts AC at 275 Degrees F.

what size is the opening to fit 2/0 awg wire. Chart says 11.7?? My cable meassures 15.2mm

Even if the chart say for 2/0 wire, I do not believe it can be use in that gane. I will use it in a #2 awg wire where it fits fine. Do not buy this item for a 2/0 wire.

I've got a one time use for these, is there a way to crimp them without a special tool? I hate to buy one and never use it again

could use a pair of pliers or channel locks. But it wont be as secure as using a $13 hammer lug crimper https://www.amazon.com/Mofeez-Hammer-Lug-Crimper-Tool/

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⚡ Connect with Confidence — Power Meets Precision!

HEAT SHRINK ARMOR - 3:1 double wall tubing rated up to 600V & 257℉ for ultimate protection.
PLUG PLAY READY - Extended opening for effortless wire insertion and secure crimp or solder fit.
MOISTURE LEAK DEFENSE - Closed-end design seals terminals against moisture and solder leakage.
POWERHOUSE CONDUCTIVITY - 100% annealed copper ensures max current flow and minimal resistance.
VERSATILE PRO GRADE USE - Ideal for solar, marine, automotive, and DIY electrical projects.

TKDMR’s 10-piece set features heavy-duty 2/0 AWG copper ring terminals paired with premium 3:1 double wall heat shrink tubing. Engineered for superior conductivity and corrosion resistance, these terminals provide a sealed, moisture-proof connection ideal for high-current battery cables in automotive, marine, solar, and DIY applications. Certified for up to 600V and 257℉, they combine durability with easy installation, ensuring professional-grade performance every time.

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