When you're dealing with high-voltage transmission lines and lightning protection earthing, the THB324 is what we typically see specified for direct earthing methods, and it handles both low and high voltage application without a hitch — the galvanized copper core gives you that corrosion resistance you need for long-term buried installations.

We've had buyers in electrcial systems use this for working earthing and protection earthing, and what it does is provide a flexible braided connection that won't work-harden like solid copper does, so it's better than standard wire for installations where there's vibration or thermal expansion (check your specific voltage class against the insulation options, though).

The product size is medium, and the HS code is 8544421900, but honestly most buyers just order by the model number THB324 and the MOQ is usually around 50 meters or so — our company have CCC, ISO9001, and ROHS certs on file if your compliance team needs them.


It's basically a Tzx symbol product, so if you're used to that marking system you'll recognize it on the spool, and the braiding density is tighter than most generic earthing wires we've tested — that matters for maintaining conductivity under mechancial stress.

100 meters per roll is the standerd packaing, but we can do custom lengths if you give us lead time — usually 2-4 weeks for non-standard orders. Actually, one thing buyers don't always think to ask: the braid can fray if you cut it with dull shears, so use sharp cutters or we can pre-terminate ends for you.

Not ideal for direct burial in highly acidic soil without additonal corrosion protection, but for standard earthing systems in transmission line applications it's pretty much the go-to for most procurement teams we work with.
The MOQ typically depends on the order volume, but for the THB324 model, we usually start at 100 meters per size. Contact us for exact numbers based on your project needs.
Yes, the THB324 is certified under CCC, ISO9001, and ROHS. We can share digital copies of the certificates with your order confirmation.
Absolutely, it's designed for a working voltage range covering low and high voltage, and it's specifically used in high voltage transmission line systems for direct earthing.
We package it in coils or on spools, wrapped with protective material to prevent damage. Lead time is generally 7-15 days after order confirmation, depending on quantity.
Yes, we can adjust the length and braid density to match your project specs. Just let us know the details when you place the order.