Engineering Stack Exchange
Engineering Stack Exchange

Questions tagged [wire]

16 questions
13
votes
2 answers

What would "wired houses" refer to in 1928?

I read this today: Variety (November 21, 1928) wrote: "Not the first animated cartoon to be synchronized with sound effects, but the first to attract favorable attention. This one represents a high order of cartoon ingenuity, cleverly combined with…
Willamson
  • 131
  • 1
  • 3
12
votes
4 answers

Extending USB cable makes it not work

I have a camera that uses a USB cable to connect to my computer. I want to extend the cable from 3ft to about 6ft. Originally I just created my own cable, soldering 4 26AWG wires to a blank USB connector and connecting the other side to the correct…
Jack Campbell
  • 151
  • 1
  • 6
2
votes
2 answers

Why transformers often have more turns on both sides than theoretically needed?

Looking at a microwave oven transformer it makes 220V into 2000V, so roughly 1:9 ratio. Why then doesn't it have just one turn of wire on the input side and 9 turns of wire on the output side? Instead, it has hundreds of turns on the input and what…
Cassian
  • 25
  • 4
2
votes
2 answers

Minimum drum wall thickness when rope wrapped around it

I need to design a hollow drum that holds steel wire rope under tension. The wire rope gets pulled from both ends with a force of 200kN, it is wrapped around the drum 5 times. The outer diameter needs to be 1m and I was thinking of using S355 for…
David
  • 31
  • 3
1
vote
2 answers

How to manage real-world too-long data cables?

Answers to a recent question about a homemade USB cable mention that USB and other data (Thunderbolt, VGA, and HDMI) cables should not be coiled. So what is the proper method to manage long cables without coiling them, in order to minimize…
dotancohen
  • 272
  • 1
  • 6
1
vote
2 answers

Is there well known equation (formula) to calculate maximum practical current which copper wire of fixed diameter can handle

I found many online calculators or tables which can give maximum current for the wire. Like 1 mm diameter can handle up to 10 Amperes, 2 mm diameter wire can handle up to 30 Amperes, etc. Is there any practical equation (formula) for this which will…
Zlelik
  • 115
  • 1
  • 6
0
votes
0 answers

Is there such a thing as high temp magnet wire?

I understand that magnet wire is enamel coated, which can tolerate temperatures up to approximately 250 °C. Is there any other insulated wire that can be tightly wound into (1 inch diameter) coils which can tolerate temperatures up to 500-600 °C?
high temp coil wire
  • 1
0
votes
1 answer

How to connect / branch two metal wire cables at 90degree angle

I have a 1mm thick wire cable that's 200cm long. Using the same cable, at 10cm intervals, I have to branch / tee off at 90degree angles. Some sort of tee crimp / ferrule comes to mind as a last report, but I'm wondering does a fastener for this…
David jones
  • 1
  • 2
0
votes
2 answers

Lead Cladding on Telephony (landline) copper cables. Any other early industrializers with this problem?

A recent environmental hazard has just been uncovered this past week by the Wall Street Journal: "America Is Wrapped in Miles of Toxic Lead Cables" https://www.wsj.com/articles/lead-cables-telecoms-att-toxic-5b34408b https://archive.is/MA0wG The…
Kiers
  • 101
0
votes
1 answer

Slip ring mounts

I am trying to research slip rings and their mounting options in order to design a BOM for a project that requires it. Since I am still in the early design stage, I haven't chosen a type of motor, but I found a couple slip rings that might fit the…
lurscher
  • 109
  • 2
0
votes
0 answers

Can one connect Starlink router with the Mesh via ethernet cable?

I know that with the Starlink ethernet adapter one can connect to the router or mesh with the ethernet cable. My question is: is it possible to connect Starlink router with the Starlink mesh via ethernet connection? I have a concrete floor/ceiling…
pro100tom
  • 101
0
votes
2 answers

How to model robotic wires behavior in solidworks

I'm trying to create a block or anything else in soildworks that I can move and see the compression of the lower wire further from the arm Something like this The example show just one joint but I want it for a long array of joints But I have no…
Simon
  • 115
  • 1
  • 10
0
votes
2 answers

What is the white fiber in the copper wire of headphones?

I got a pair of in-ear headphones, broke the left earphone, bought another set, broke the right earphone, and joined the leftovers of both. I found white, grey, or beige fibers near the copper of the newer one, the white set, from June 2019, and not…
ginjaemocoes
  • 161
  • 1
  • 10
0
votes
2 answers

How can thin wire in generator windings carry the high output current?

I observed the rebuilding of a 12KW, 120V gas-powered generator. I was amazed at how small the generator portion was (roughly the size of an electric motor you might find in a major home appliance). The windings were pretty thin magnet wire, like…
fixer1234
  • 146
  • 11
0
votes
2 answers

What's the difference between thermocouple grade and extension grade wire?

We got a bunch of yellow thermocouple wire which the Omega web site says is type K extension grade wire. They also sell thermocouple grade wire which looks to be brown. What's the difference? I was speculating that the thermocouple grade is super…
user1683793
  • 1,222
  • 6
  • 15
1
2