Insulated Copper Wire 75%
Thick insulated cable yielding roughly 75% copper.

What this grade accepts
- Heavy power cable
- Industrial wiring
What it does not
- Aluminium core
Where it usually comes from
- Industrial electrical
- Mains power
How to prepare it
None required.
Not sure? Send a photo before you sort anything — it costs nothing to ask.
About Insulated Copper Wire 75%
At roughly 75% recovery you are into heavy-gauge insulated cable: thick single-core, larger multi-core power cable, and the sort of feed cable pulled out of switchboards and industrial installations.
The thicker the conductor relative to its jacket, the higher the recovery, and the closer the rate moves toward bare copper. Loads at this grade are worth weighing separately rather than throwing in with lighter cable.
Armoured cable sits differently — the steel wire armour has to come off before the copper content can be assessed, so bring it in as-is and we will look at it rather than estimating blind.
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Other copper grades

Bright Copper Wire
Bare, bright, uncoated copper wire
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No. 1 Copper
Clean copper tubing and solids
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No. 2 Copper
Tarnished or lightly oxidised copper
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Domestic Copper
Mixed domestic copper items
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Insulated Copper Wire 20%
Low-yield insulated copper wire
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Insulated Copper Wire 40%
Medium-yield insulated copper wire
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Insulated Copper Wire 83%
Very high-yield insulated copper wire
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Car Wire
Automotive wiring harnesses
Read the grade