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

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84 views

Does the gauge of wire make any difference when wiring the inside of an electric guitar?

I'm replacing some of the electronics inside my electric guitar. I have some wire I've used for electronics before, but it seems to be thinner than what's normally sold as 'Guitar hookup wire', so ...
0
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1answer
65 views

How much will be maximum power capacity of a transformer with supper conducting wire

If I wind a specific transformer with superconducting wire and take away temperature from the core by means of some way, how much power can I take from transformer? I should mention max power capacity ...
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3answers
135 views

What happens to a DC current at the end of a wire?

This question might be a little more appropriate for the physics stack, but I'd like to test the water here first. I am just getting into electrical engineering, and as I go along, certain aspects ...
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2answers
147 views

Is it possible to carry over 20MW? [duplicate]

Is it possible for a series of conductors carry massive currents(100 kA) at voltages over 100V? Assuming there is massive cooling. How can power plants carry MegaWatts of power?
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2answers
61 views

Why do you need a thicker wire when wire length increases?

Question: So far I've found that the thickness of the wire influences the resistance. A thicker wire has less resistance. Also, the length of a wire has a linear correlation with the resistance. 2x ...
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0answers
96 views

Capacitance of two wires with a grounded wire between

I have measured the capacitance between wires number, say, 1 and 3. With the wiree #2 just floating, the result was 390 pF. But after i have grounded the wiree #2, the capacitance was 220 pF. What is ...
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3answers
125 views

What is the white wire for on this voltmeter?

I found this voltmeter on eBay, and I know what the red and black wires are for (live and ground respectively, or alternative names), but I have no idea what the white wire is for. As its top range is ...
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0answers
65 views

High current SMPS transformer

I would like to have some tips concerning DIY winding of SMPS transformers. Let's consider the following example (for reference only): Input: rectified 230V AC (mean value: 310V DC on the DC-link ...
1
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1answer
58 views

Checking connection in wire bondings [closed]

I'm doing an assignment where I want create a setup to test wire connections in X-ray detector sensors. There are about 250 wires between this sensor and the control PCB. I want to test the connection ...
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4answers
94 views

What gauge wire for 36V (DC), 5A peak?

I've searched online and found wire gauge calculators but I still can't seem to find a reliable answer. What gauge wire do I need to carry 36 volts (DC) at 5 amps (peak) for 4 meters? This cable ...
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1answer
37 views

Which AWG for an RGB LED Stripe?

I've bought a RGBLED stripe with 300 SMD5050 RGBLEDs. These are rated at ~18mA on 5V each, so I have approximately 5.4A on the complete strip. I have to cut down the strip into several parts and have ...
5
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1answer
230 views

Coiled wire around connector terminal, what do I call this, and how do you do it?

Please consider the following image: I randomly wandered into the telecom room at work a while ago, and I noticed these strange looking terminals. How do you terminate a wire like this? Is there a ...
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3answers
74 views

Determining maximum current through 18 gauge wire in robot arm

For a robotics application, I'd like to power some external electronics and sensors off the logic circuit in a robot arm. The components are a computer (19V, 65W => 5A), 2 cameras (1.2A), 1 light ...
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2answers
123 views

Formula between wire size and current [closed]

Is there a mathematical formula between wire size, current, temperature and wire type(Or resistance)?
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2answers
118 views

Can I use staples to hold down electric wire?

I'm building a very small game for my brother. I am moving it from the original, ready-printed motherboard to a sheet of metal. The metal doesn't have holes punched in it, and I need a different way ...
1
vote
1answer
74 views

How significant are hysteresis losses in iron wires with RF currents?

I understand that iron isn't a great choice of conductor for RF currents, as a wire dipole antenna for example. I understand there are several reasons, but I'm wondering specifically about one: ...
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0answers
51 views

SPI - Circuit works or doesn't depending on wire type?

I have a circuit that has two SPI devices. The controller is a netduino (an arduino clone). My problem is that, when I have two spi devices attached, the shift register doesn't work, while the ...
9
votes
3answers
572 views

Are there rules for selecting wire gauge for single-pulse applications?

I'm trying to size wire for UL 508a panels. I have UL's wire gauge requirements, but those requirements are for continuous use. The device I'm designing will only run for two seconds, with minutes or ...
4
votes
5answers
285 views

Any tricks to attaching a wire or pin to a testpoint?

More and more often, I find myself needing to tear apart a device to seek out and connect to serial pads. These pads typically give me access to the underlying operating system for research or ...
0
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1answer
53 views

STM8L discovery board, wires for the breadboard

I don't know if it is the right place to ask, but still I have a STM8L discovery dev board - http://www.st.com/web/catalog/tools/FM116/SC959/SS1673/PF250636 which has very small square male-type ...
2
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2answers
173 views

Can I use lower gauge wire for short runs of longer high amp circuits?

This question is probably more of a "please explain whatever concept I'm missing." But I'll start with my specific question. I'm building an electric brewery and am using a 5500W 240V (23A) heating ...
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2answers
74 views

Crimp connectors making process review

I'm actually working on a project with several "little" modules. They are all connected to the PSU and the MCU. So I've design interface for each, so I can easily wire everything together. For that ...
0
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1answer
102 views

Unused slots in the stepper Motor

The motor I am talking about has six wire slots of which two are unused and wires coming from the motor are restricted to four (4 to 4 jumper connecting wires are there to connect the motor ).So why ...
0
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1answer
112 views

Connecting phone using copper power wires

I want to install a video door phone (intercom) in my home, for this I have done a pre-wiring of 4 individual copper wires (normally used for home electricity) and the total length of wires is about ...
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2answers
86 views

Isolate wires soldered on PCB

I'm soldering some cables on a PCB. They are are stranded, so I've first apply a bit of soldering on them and then solder them on my pcb. The problem is, there's on some a bit of exposed copper on ...
2
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0answers
70 views

Crimper for Smaller Connectors [closed]

I need to grow past the 0.1in black headers for a current project. They're just too big. But I don't know of anything suitable as the next step. Low current carrying ability is OK (2A ideal, 1A ...
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2answers
107 views

Wire resistivity

Could you please shed some light on wire resistivity calculations for me.... for example if you have a wire length at 100m with a diameter of 10mm measured at 0.25 ohms.(what material is 0.25?? I can ...
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2answers
104 views

How do coaxial cables carry information that a TV can intercept and display?

Is there a specification for this? Like, say, at the backside of a cable box there exists a singular coaxial cable that is meant to be plugged directly in the back of the TV. The TV must be set to a ...
2
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2answers
203 views

Stiff, straight wire similar to LED legs

I'm planning on building another LED cube. I've built ones before using tinned 0.6mm copper wire which looked OK, however the wire bent easily and was never quite straight in the first place. I spent ...
4
votes
1answer
190 views

How do you deal with worn wires?

Repairing a Macbook 4.1 (2008 model), I found something odd - the cables are breaking: The left side has a break in one cable's shielding (the wifi antenna most likely, as it's connected to a ...
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2answers
77 views

Eliminating induction between wires

How is it ensured that (computer) hardware (such as motherboards or processors themselves) does not suffer from from wrong signals due magnetic induction between wires?
5
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3answers
268 views

Why are high impedance circuits more sensitive to noise?

Why are high impedance circuits being more sensitive to the noise? They have less current flowing through them, but how is that related to noise, since external noise becomes voltage on the wires, and ...
0
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4answers
187 views

What is a good way to solder small transistor to wire?

I have a really small transistor with very little space between its pins. I want to solder resistor to base and wires to collector&emitter. So I am worried about transistor pins come in contact by ...
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2answers
106 views

Choosing the correct wire

I'm making a protoboard that will include three small sections of wire, around an inch long each, to go: power source -> relay -> out power source -> out When the relay is on the wires will be ...
7
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1answer
314 views

What PCB wire termination should I use for high-vibration environments?

I'm designing a system for a high-vibration application. I need to land wires on circuit boards. Someone suggested that I use a Wago cage clamp, and that there might be similar things from other ...
0
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1answer
134 views

Detect the shape of a wire

Is there any electrical or other physical property that can tell me the shape of a wire? I mean, if I inserted a wire into a space (of the same thickness as the wire assume), this property should ...
3
votes
2answers
125 views

Hobbyist Leaded Solder

I'm not asking about the safety of which solder, I'm asking about which type of solder would be best for my purposes I'm a novice electronic hobbyist and I just want to know what composition of ...
3
votes
1answer
195 views

Joining fine wires

I've got a postage scale, on which that the 9V battery connector has fallen off, I bought a new one online for £1 (as below), the new one already has cables coming out of it and the postage scale has ...
2
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1answer
243 views

Do the very thin wires of headphones have a name?

Do the very thin wires of headphones have a name? by headphone wires I mean the usually green, red and twisted ground cables, about 0.1 mm thick.
2
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1answer
65 views

Readily available or commonly used transparent conductors?

Are they any transparent conductors (inks paints or otherwise) that are readily available to hobbyists? (i.e. cost effective and purchasable online)?
3
votes
1answer
130 views

Is silver actually used for coating copper wire?

I heard stranded copper wire would be silver-coated for better conductivity at high frequencies (skin effect). But silver is at least an order of magnitude more expensive than copper, yet only has 5% ...
0
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1answer
49 views

Which wires goes to appliance's ground and on/off switch?

I have an electric hair trimmer whose power kept getting interrupted. I knew the problem was in a particular spot in the cord because when it would bend there, the trimmer would lose power. I cut ...
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votes
1answer
173 views

Does there exist a switch with wire already attached to it? [closed]

Maybe it's a silly question, but I lose a great amount of time to solder wire to an on-on 6 row (DPSP) switch. I would like to know if there is a switch sold somewhere (cheap) with wire already ...
0
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2answers
118 views

Is it possible for an energy source of 4.7mW to heat a Nichrome wire to 800°F [427°C]?

I am trying to understand if it will be possible for an energy source with an output of 4.7mW at 47% efficiency to power a 35AWG Nichrome wire (think dime sized coil) to 700-800 degrees F. If it is ...
1
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2answers
72 views

DD50 equivalent?

I've been looking around and can't find a definitive answer, so I figured I'd ask here. I'm completely new to electronics. This past Fourth of July I made a simple firework launcher using DB15 as the ...
4
votes
2answers
178 views

Does solid/multi-stranded/Litz wire make a difference in binary serial output?

I'm using two shift registers to control 16 digital outputs using only 3 pins on my microcontroller. The parallel outputs carry <= 20 mA DC, their sole purpose is to power LEDs. My microcontroller ...
1
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0answers
68 views

Inferring number of strands from AWG -> mm

If there is "16AWG" 1.34mm CSA wire, is it possible to figure out the strand count? I am thinking it might be possible as AWG is about overall diameter. So 16AWG should have a diameter of 1.291, but ...
1
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1answer
125 views

Physical Wire Size Confusion

I'm going to get this wire for a simple project, and I need to get some heat shrink for it. My problem is that I can't figure out the diameter of the individual insulated wires. There are going to ...
0
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2answers
288 views

How much power dissipated in a wire?

i"m designing a long metal1 wire. The parasitic capacitors and resistors are callculated. I want to have an ac voltage at the output end of the line ( 0 - 3.3 V ) at 1GHz. How can i calculate the ...
2
votes
1answer
149 views

How to connect to 30 awg Nichrome wire to 28 awg wire?

I'm looking for a quick way to connect my 30 awg Nichrome wire to some 28 awg stranded wire and have tried an inline splice and crimped-on receptacles. For my project I'll potentially be making lots ...