Terminal Butt Conn Blue Cd18
Terminal Butt Conn Blue Cd18
In stock
Postage on this one is $9.95 anywhere in Australia, and it ships from Strathalbyn in 1 to 2 business days. Free postage on orders over $200.
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Extends a lead that's come up short without re-running the whole wire
Blue insulated butt connectors for 4mm wire, for joining two lengths end to end when a lead's been cut or it just won't reach.
Same job as the red pack, just sized up for the heavier wire. Crimp, done, and the join's insulated the whole way. Worth keeping a few spare, because a lead that's just a bit short always turns up at the worst time. A crimped join like this holds up far better than tape ever will.
Full specs are in the tabs below.

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The technical bits
- Pack of 18 insulated butt connectors, blue
- Suits 4mm wire
Why it's worth keeping a spare
- Extends a lead that's come up short without re-running the whole wire
- Fully insulated once crimped, so there's no bare join
Shipping and Returns
We pack and send your order with care, right here from our Strathalbyn store. Most parcels leave within 1-2 business days, and you'll get tracking as soon as it's on the way. If you're local, you can choose click-and-collect or our delivery service at checkout.
If something arrives damaged or not quite right, let us know within 14 days and we'll sort it quickly. You can return unused items in their original condition for a refund or store credit. For safety reasons, we can't accept returns on gas bottles, cut materials, or custom orders.
We're here to make things easy, so if you ever have a question about your delivery or a return, our team is only a call away.
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