A length of conductive material used as a conductor of electricity.

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2answers
37 views

Wrong number of wires in my headphone cable [on hold]

Facing a broken jack in my Audio Technica headphones, I decided to replace the cable. However the replacement I bought has red, black and a sheath of copper strands, while the original has red, black ...
0
votes
1answer
56 views

How do I strip litz wire?

I bought a choke made of litz wire. The wire is enameled all the way to the ends. How does one go about stripping this wire?
1
vote
2answers
60 views

GPS in combination with servo on Arduino

Me and my friends are building a boat which needs to steer towards certain coordinates. We have a GPS and a compass on board. We have written code which calculates the direction that the boat has to ...
0
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1answer
57 views

3A Current Distribution

simulate this circuit – Schematic created using CircuitLab I am using a 5V 3A wall adapter. I have stripped the output end and connected it to a terminal block. I am rerouting the current ...
-1
votes
1answer
41 views

Magnet Wire vs Resistance Wire - What's the difference

What's the difference between magnet wire and resistance wire? Which is better for building an electromagnet? Resistance Wire Magnet Wire
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0answers
39 views

What is the thinnest kynar wire for soldering?

Currently i can only find 30 awg kynar wire as the thinnest for soldering. I need it as thin as possible as I'm limited to space in my housing. What is the thinnest kynar wire?
0
votes
1answer
51 views

Calculating the gauge of wire required for the secondary in a Tesla Coil

I am looking to build a small Tesla Coil at home with limited supplies. I am reasonably confident (well.. as confident as a biologist can be!) with my calculations so far, however I have hit a mental ...
3
votes
4answers
151 views

Formula to find out the resistance per meter of a specific gauge of wire if I already know the resistance of a different gauge of wire per meter?

So if I know a 30 gauge wire's resistance at 1 meter, how can I figure out the resistance of a 29 gauge wire at 1 meter long of the same material? Or 5 gauge, or any other gauge? I need a formula, not ...
0
votes
2answers
49 views

Multiwired small coil [closed]

I'm looking to make small coils. Or if possible buy a bunch. But first I started looking into coils. An today I found one that has multiple wires at on side and on the other. At their end (the ...
1
vote
1answer
42 views

18AWGX2C wire to standard breadboard

I am trying to supply 5V 3amps to my breadboard. I have an 18AWGX2C wire but it is too thick to simply connect into the breadboard inputs. Is there any way for me to connect these cables (PWR and GND) ...
0
votes
0answers
48 views

Threaded wire connections

I'm working on a senior design project that is using three 20-30 gauge wires that are going into a detachable box. The idea is that the box has three wires coming out of it, and the three wires that ...
0
votes
0answers
24 views

Unshielded Twisted Wire Pair Simulation

I created a model of a UTP wire based upon discrete RLCG transmission line model. The model is almost 98% accurate when compared to static measurements i.e. Char. Impedance, Inductance, capacitance. ...
0
votes
2answers
71 views

How do I overlap wires in OrCAD capture without having the two wires have a node?

I'm doing a schematic for this in OrCAD capture CIS. In laying out my schematic I need to draw one wire going through another wire, but not necessarily intersecting with it via a node. When I drag a ...
9
votes
3answers
2k views

Electricity not conducted by copper wire

Im am quite stunned as to what might be wrong. electronics beginner I bought today some copper wire, 20SWG /0.9MM from maplin (UK), for a project I am working on. There is no power going through ...
0
votes
2answers
47 views

Why there is no high voltage repeater / voltage translator ic (like max232) for I2C

why I2C don't work don't work with long wire, for UART we have 10 volt translators like max232, for I2C why there is no high voltage repeater ic?
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votes
1answer
39 views

Fuse and AWG choice for immersion heater circuit

I am planning to operate a 1500 W resistance immersion heater with an SSR and I'm trying to determine which fuse and AWG wire to use. The 1500 W heater on 115 VAC should operate at a current of around ...
1
vote
1answer
78 views

Combining 4 22gauge wires

I wanted to ask you a quick wiring question - I need to run a wire to my new thermostat from the furness - I have a spare telephone cable in the wall that has 4 22 gauge wires. I'll be running about ...
0
votes
2answers
59 views

Could metal powders replace metal wires?

My headphones broke recently due to what I suspect was work hardening, and I was wondering, could a sealed tube of rubber filled with a powder replace wiring? Products would be more durable as the ...
1
vote
1answer
103 views

Can electrical wires be ruined by overheating?

I have a friend that works with automotive mechanical sorts of things, and he told me that he had a pair of jumper cables that was ruined by too much current; it wasn't that the insulation melted: he ...
1
vote
1answer
86 views

What is this type of wire-connector called? [duplicate]

I am having the hardest time finding something like this on Mouser. I have find things similar, without the screw for example, but never exactly this. Is there a generic name for this type of ...
0
votes
0answers
32 views

Can I splice and merge an NES gamepad and the NES zapper gun into 1 wire?

I'm trying to wire an NES (Nintendo Entertainment System) gamepad and NES zapper gun into 1 wire to plug into 1 port. I have an NES embedded into a full arcade cabinet and I don't want to have to keep ...
-2
votes
1answer
73 views

How do you determine the length of dead soft #10 AWG copper magnet wire which will drop 2 volts when there's 15 amperes through it? [closed]

Ignoring skin effect and the temperature rise in the conductor caused by \$ I^2R\$ losses, how do you determine the length of dead soft #10 AWG copper magnet wire which will drop 2 volts when there's ...
0
votes
1answer
66 views

Maximum surge current through short run of 24 gauge wire

I'm making a sequenced rocket launcher. I want to apply 5 amps for 3 seconds through a 12 inch run of 24 gauge wire. Since the launcher has four slots, I figured I could use cat5 ethernet cable. ...
0
votes
2answers
86 views

Minimum wire gauge for 5 Volt, 5 Amp system

Electrical n00b here. I am trying to create a circuit with 100 ultra bright white/yellow LEDs in parallel (controlled via a rPi) I figured out that I need an external wall wart, rated at 5V, 5A. ...
3
votes
3answers
389 views

What do i need to get this motor running off a car-battery?

I'm going to build a motorized barn-door mount for astrophotography, but have ABSOLUTELY no experience with motors, circuits or anything else related to the motor. This is the motor I bought: ...
0
votes
2answers
80 views

AWG gauge for 10W cob leds and common ground

Two questions: How can I calculate the appropriate AWG for a 10W cob led (~12V DC at 900mA)? Suppose the appropriate AWG is 22, and I want to use a common ground for them (for the purpose of this ...
4
votes
5answers
531 views

Most ideal wire termination for round screw terminals

My '60 Volkswagen Beetle uses a number of electrical components that are equipped with round screw terminals, like you can see in the picture below: What is the most ideal wire termination for ...
0
votes
2answers
98 views

Where can I buy or how can I make high quality jumper cables?

The jumper cables in my possession are all so stiff and seem cheaply made. The connectors fall apart and its frustrating. The jumper cable is such a simple but critical component - how/where can I ...
15
votes
11answers
3k views

How to solder with one hand?

I am a beginner at electronics. I don't have many tools and stuff, so I am forced to solder by hand. I don't have a pcb to solder on, so I usually just solder the wires together, but it's really ...
6
votes
5answers
779 views

Does “Connected” mean solder together?

Looking here, I am shown that the connecting symbol, means the wires are, literally "connected" as shown below. I am currently working on trying to decipher an FM Radio schematic, but am having ...
0
votes
2answers
318 views

Current capacity of very thin (0.1mm ~ 0.5mm) copper wires?

I am looking at this very thin copper wire. It does not have much description other than the physical dimensions. What's the maximum current capacity of these wires? I guess they are not for power ...
2
votes
3answers
220 views

20AWG wire inductor and 8A, possible?

I have a inductor made up of ~5cm of 20AWG wire. Switching frequency of the inductor is 500kHz. And the duty cycle is somewhere between 10-30%. Maximum current through the inductor is 8A at around ...
0
votes
3answers
121 views

Why are headphone wires so thin?

Speaker wire is thick so why are the wires that go from a stereo plug to earbuds so thin? They seem unnecessarily thin. Is this so they break easier and then I need to buy another pair of headphones? ...
0
votes
1answer
104 views

What is the purpose of the thick blue line in this schematic?

On this schematic for a Z80 computer, there appears to be a thick blue wire connecting some components together. What is it? Googling yields no results: here is the schematic
1
vote
2answers
125 views

How can I work out if a cable can take a momentary current spike?

In this video here, almost 1000A is being run through a 10mm steel bar, and after a minute or so, it melts. https://www.youtube.com/watch?v=YzZ3aJqmT-M So in terms of charge, 60,000C applied for 1 ...
0
votes
2answers
258 views

Magnet Wire Insulation

A close examination on magnet wire tables of various manufacturers like `http://www.epicos.com/EPCompanyProfileWeb/Content/CABLES/Magnet%20Wire%20Data%20Sheet.pdf (page 9),shows that the ratio of the ...
0
votes
2answers
666 views

Pt100 wires to make Wheatstone Bridge

I'm currently trying to build a circuit on a breadboard that, through a temperature sensor, gives off a voltage which I need to amplify. I'm using a Pt100 sensor with 3 wires (red, blue and yellow) ...
0
votes
1answer
64 views

What is the name of the following cable?

Instead of wrapping cables I will like to make the connection by using the following type of cable: what is the name of the female and male cable with this circular end? I will like to buy this ...
0
votes
0answers
54 views

Cable re-threading, ending, connection help

Been a while, trying to find out what are the pin connectors in a standard car PJB plug. I am trying to clean up the wires so they can plug back into the plug, I'm not sure what the plug for the end ...
8
votes
2answers
2k views

What is the use of magnets around electrical cables?

I haven't seen any for a while now, but a couples of year ago I saw some several times: cylindrical magnets around electrical wires. I'm not talking about specialized equipments but items of everyday ...
1
vote
2answers
326 views

How much AWG do I need for 12V 20A [duplicate]

How much AWG do I need for my circuit wires knowing that the current can vary 10 to 20A with 12V supply And what is the cheapest and safest way to join 2 wires together ?
0
votes
1answer
117 views

How to maximize inductance of a homemade coil?

So how can one maximize inductance of a homemade coil made out of copper wire? I assume adding a ferromagnetic core to the coil increases inductance? Also how can we calculate this inductance ...
2
votes
1answer
318 views

Formula for voltage drop vs PCB trace width, temperature, current, and trace length

I need to find out the voltage drop in the PCB traces with respect to the possible factors like: copper thickness, trace length, trace width, temperature, etc. I found some calculators available at: ...
1
vote
1answer
104 views

Connecting FT2232H board (60 MHz via 2.54 mm header) to FPGA board

I am trying to connect FT2232H breakout board (http://www.digikey.com/catalog/en/partgroup/ft2232h-evaluation-board-ft2232h-mini-module/15377) to DE0-Nano FPGA board ...
-1
votes
1answer
62 views

Elongate the power supply p4 connector [closed]

I've got pico-psu, tiny little power supply for computers. Recently I've moved onto a new motherboard, connectors on this mobo are located further than before. So I had to elongate psu-p4 connector ...
0
votes
3answers
100 views

Electrical resistance converted to wire temperature

I'm trying to get a formula that I can reuse to help me determine wire size and properties. The goal is to heat a 430' wire between 40-100F using 12 volts and 10 amps of direct current. Everyone is ...
0
votes
1answer
62 views

Can “over rated” cable impact power drain?

I am rebuilding an eGo-T (3.7v +/- 0.5) and wanted to replace the sub-standard wiring that was starting to show signs of heat damage. For some stupid reason I got rid of most of my supplies to save ...
8
votes
3answers
877 views

Flow of electrons in a wire

Electricity is "flow of electrons". My child asked me if this is so, then ultimately the copper wire should disappear/vanish/finish because the matter is moving from one place to the other. I am not ...
1
vote
1answer
81 views

Current “jumps” from one wire to the other

I have cable with two 1.5mm wires in it. Why does my test light show voltage in both wires even though only one of them is connected to 220V AC grid. // Also there are old cables with metal jacket ...
0
votes
2answers
677 views

Can someone explain what each pin does on an LM3914 dot/bar graph chip?

I got an LM3914 chip to control a ten segment bar graph, but I am confused on how to wire it. The data sheet is not helping me with what pins do what and how to wire it. I need to know how it works ...