General Question

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12 Answers

Tropical_Willie's avatar

That is a transformer.

elbanditoroso's avatar

Yes, it’s copper, and a pretty good quality copper, too, because it had to be in order to process the incoming current.

Go for it.

dabbler's avatar

Yep, a transformer. Note that if solid wire flexes too much it can easily break, especially copper wire which is also soft.

RareDenver's avatar

Remember to post a picture of the necklace when you’re done :-)

majorrich's avatar

There should be several transformers in the monitor. One big one and several smaller ones.

gasman's avatar

It’s what’s known as a “common mode choke,” a type of inductor. The tip-off is that it’s labeled on the circuit board with the letter L, the symbol for inductor. Here is a similar product. It’s definitely copper wire. According to Wikipedia:

Common-mode chokes, where two coils are wound on a single core, are useful in a wide range of prevention of electromagnetic interference (EMI) and radio frequency interference (RFI) from power supply lines and for prevention of malfunctioning of electronic equipment.

RocketGuy's avatar

Yep, oxygen-free, high conductivity copper. It should be easy to form, but like @dabbler says, if you flex it back and forth too much it will break.

Also, if it discolors later due to skin oils, try vinegar to change it back to bright copper color. As with any cleaning agent, try in an inconspicuous area first.

gasman's avatar

The yellow thing in the last two photos looks like a transformer, which you could also take apart to harvest fine-gauge copper wire, though you have iron parts to contend with. Fwiw you can buy 50 feet of 22 ga. bare copper wire for $3.25.

I like the woven double helix!

dabbler's avatar

@cadetjoecool Nice work!
I like that you’re recycling bits from old circuit boards. Presumably they can’t be repaired practically.
But I also like @gasman‘s observation that a spool of such wire is not too expensive.

RocketGuy's avatar

I have seen circuit board jewelry that looked pretty good. You have to get defective boards straight from the factory, though. It is a bother to de-solder components off of a populated board.

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