Questions tagged [wire]

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

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What is the equivalent AWG of 1/4 inch soft copper tubing?

Out of curiosity, what is the equivalent AWG of 1/4 inch copper tubing? The tubing would be mostly hollow; how much current would it be rated for?
0x6869's user avatar
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Wire size for 16 V, 83 F capacitor [closed]

I have a capacitor bank circuit (16 V, 83 F). I got it from AliExpress. I am planning to install it in my car parallel to my car battery (car battery capacity: 12 V, 50 Ah). Could you please suggest ...
Santhosh Siddappa's user avatar
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Choosing a strong/flexible wire for Piezo bender

I am using AB4113B The issue: Due to vibrations wire soldered on the Piezo is breaking. The setup: Piezo (metal end) soldered on a PCB directly, and wire is soldered on ceramic part to a PCB pad close ...
Anurag Kumar's user avatar
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Magnetic Force Between 3 parallel conductors

I have a problem with 3 parallel conductors carrying currents, as shown in the picture. I need to determine the force per meter length acting on the bottom-right conductor (carrying current I2). I ...
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Wire Harness Schematic : Use of Brackets between conductors

I have looked add several documents concerning themself with wire harness schematics. I am having a hard time identifying the meaning of the brackets between several individual conductors tied to a ...
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EV charger individual cable insulation

Are the internal conductor strands inside the Level 1, level 2, level 3 EV chargers bare or do they have a coat of insulation? I know the conductor strands combined as a wire have a sheath of rubber ...
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Can I use thicker wires or twisted pair for Ethernet?

I'm planning to use 2 types of connectors: A : GND + 24V + 100Mbps ethernet (4 wires) + 2 wires with various functions B : 1 Gbps ethernet with PoE (8 wires) For type B, I found of the shelf ...
Sandro's user avatar
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11 votes
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Name of very thin wires with insulation removed with soldering iron

Last time I visited my PCB manufacturer to do some modifications on a prototype PCB, they used some very thin wire (probably something like AWG 30-35) where they just burned away the insulation with ...
Sandro's user avatar
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How can I find the diameter of a wire if I have the length and resistance? I cannot use measuring tool because wire is thinner than 0.1 mm

As the title suggests; I am trying to calculate the diameter of a wire given its length and resistance. Specifications: Length: 30.4 cm Resistance: 17 Ω
Monesh Rathod's user avatar
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Can I charge laptop with wire 20awg

My laptop has a maximum power is 170W, 20V, and I often use it with max power. My adapter has a broken power jack and I must change the wire that supplies power for the charge. I use wire 20awg, the ...
Trà Nguyễn's user avatar
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What happens if a 5 V 2.4 A supply is connected to a 21 gauge nichromium wire of 0.79 ohms/ft?

If I connect a USB power supply, rated for 2.4 A max. at 5 V, to a 1 ft 21 gauge nichrome hot wire (resistance 0.79 ohms/ft), what would happen? Would the wire still heat up, but not much, or will my ...
VisuaL HippocracY's user avatar
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What length of nichrome wire would I need to create a hand warmer to reach a max of 70°C?

The following are the details of the wire I have: Nichrom 80, 32 Gauge (0.2744 mm diameter), measured resistance 6.84 ohms/foot or 22.44 ohms/m. I'm planning on powering this only via USB so my max ...
VisuaL HippocracY's user avatar
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Forming 12AWG Copper Stranded Wire

Looking for some advice on how I would go about bending 12 AWG stranded copper wire into a U shape. It is part of a harness that gimbals, so I’d like to form it to reduce the preload exerted onto the ...
Seth's user avatar
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What is this black thing on my mouse's cable? Is it related to the mouse not working? [closed]

I was curious so I got an old mouse that doesn't work and decided to try and fix it. I got it open and tested the four wires coming from the cable with a multimeter but nothing anywhere. I thought ...
Keyboard's_Slave's user avatar
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How can I emulate the signal sent by a PC sync cable to a Flash from an embedded computing board?

I have a speedlight multispectral flash (KV-FL1) with a PC sync cable that essentially sends an electrical signal when a camera's shutter opens to tell it to fire. PC sync is a Prontour-Compour ...
Jonathan Gaucin's user avatar
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Confusion in number of turns and strands in flyback transformer

I am designing my own discontinuous mode flyback transformer and am following the book Transfomers and Inductors Design Handbook by Colonel. Wm. T. Mclyman. I have used all the equations of the ...
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VGA cable wire pinout

I stripped this VGA cable. It only has 5 wires. One is just single copper strand. Is this normal? If so what would be the pinout?
Kalash Changal's user avatar
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Is it possible for turn signals to be operated with push to make switches to earth on a bike using relays?if so is there any circuit diagrams to show?

Switches are earthed when pressed. I have tried various ways of attaching the wires, but can’t find a solution.
Jim Shaw's user avatar
1 vote
1 answer
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Check wire continuity without microcontroller

Basically I need to create 2 devices that are not connected to each other. One should be connected to one end of the wire and the second one to the other end. If it detects that it’s the same wire, it ...
Gabriel Stan's user avatar
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1 answer
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Is there a connector/board for a DJI Air 2 camera gimbal chord and camera transmission chord? [closed]

Hello, I have a DJI Air 2 camera and gimbal but nothing else atm. I was wondering if there are any connectors, boards, etc. out there that could connect to these that aren't DJI's own product since ...
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12V – DC wire gauge | Does length calculation ‘reset’ at socket/ junction?

Sorry in advance that this is a basic question which is pretty obvious. I’ve just been struggling to find a clear answer and wanted to confirm. I’ve set up a 12 V leisure battery system in my van to ...
macleod92's user avatar
3 votes
2 answers
326 views

How to strip 32 AWG wires for small connectors with ~1mm a wire length

I'm crimping a lot of small Molex connectors (i.e. Pico Blade and Pico Lock) and keep running into difficulties with not being precise enough when stripping wires resulting in either an unreliable ...
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Why did the Lucas voltage regulator use rectangular section enameled wire for one of the windings?

In the 1930s and subsequently, Lucas supplied a car voltage regulator of the twin bobbin type. A detailed description of how it operated can be found here, but in summary, one solenoid operated a cut-...
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How to determine ground and power wires in USB 2.0 with not standard colors? [duplicate]

My USB 2.0 cable has 4 wires: blue, white, yellow and transparent. I want to connect it to a LED strip that has 2 wires: red (+5V) and white (GND). How can I find ground and power wires among those 4 ...
Alex Pavlov's user avatar
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2 answers
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What are the strongest wire connection points on flexible PCB

Wires have to be soldered onto the bottom pads, however these pads are really fragile and often get loose from the flexible PCB. Now I'm trying to create these PCBS myself but with different ...
Jellyfish's user avatar
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What would be the AWG (American Wire Gauge) standard for my wire 1 x 0.75 rm?

I have been trying to figure out my wire gauge standard in AWG format. I bought a coil (100 meters) of wire and the info written on the package is: 1 x 0.75 rm. I understand the 1 in here represents ...
Md. Imran Hossain's user avatar
2 votes
1 answer
141 views

How to join two thin wires so that they can withstand physical stress?

I'm trying to join two rather thin wires (headphones cable in this particular case) that will later be worn by a human and therefore subject to quite a bit of physical stress (bending, pulling). ...
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Testing circuit editor issue - please ignore

I said please ignore :-) simulate this circuit – Schematic created using CircuitLab simulate this circuit ===================================== Learning to dream In addition to specific ...
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Reason not to use aluminium wires, other than higher resistance

So aluminium is 3.3 times lighter than copper (8.96 vs 2.70 g/cm3). And its resistance is only 55% bigger. So in weight/resistance ratio it is actually better than copper. Also it is cheaper. Why ...
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Wires on Arduino Mega 2560 rev3

I wanna buy an Arduino but I don't know which wires you need for it and I need a wire that can transfer 5V. I mean the wires for the pins btw
Fabian_ist_Ok's user avatar
3 votes
2 answers
645 views

Where is the "flux in core" inside soldering wire? How does it change the soldering wire vs the pure element?

I was looking into soldering wires. I found out that even when soldering wires are, for example 60% Tin and 40% lead, the wires contain 2-5% flux. Even "pure tin" soldering wire contains 2-5%...
nick carraway's user avatar
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1 answer
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Where to find battery pack contacts [duplicate]

So i need those metral spring terminals like those on this battery pcb, can someone help to find those, or whats called at least.. THANKS
Boris Ilic's user avatar
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How to resolder the wires to these two switches?

These two stuffed animals no longer light up. I opened them both up and found that one of the wires to each of their on/off button switches has broken off entirely. All other parts seem to be intact. ...
Brooke's user avatar
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Fuse (I²t) ratings of copper cables

There are plenty of charts/calculators giving the maximal current for given wire section/gauge (they don't always give the same results). Those ratings are for continuous current. If there is instead ...
Sandro's user avatar
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2 votes
3 answers
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Does wrapping kiln resistance wire back on itself reduce the temperature of that stretch of wire?

When replacing the resistance wire in an electric kiln, most manufacturers recommend wrapping the resistance wire back on itself at the ends where it connects to the electrics. Although I haven't ...
RightmireM's user avatar
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2 answers
152 views

Wire gauge for 15-pin SATA power cable

For two SATA SSDs I want to crimp one or two 15-pin SATA power cables with a length of about 30 cm (12 inch). Since space is a concern, I want to use cables thinner than AWG 16/17/18. I know that SATA ...
Tintenfisch's user avatar
2 votes
0 answers
66 views

Super tweeter: voice coil wire gauge x power rating apparent inconsistency?

I'm an amateur electronics experimenter/enthusiast. I have an 8-ohm super tweeter from JBL (sold in Brazil as model ST200) whose RMS power with passive crossover is 100W @ 8kHz. It's quite a large ...
Paulo Carvalho's user avatar
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2 answers
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Which wire gauge (AWG) to make copper brushes?

I have to realize some sliding contact between a board and another one. The moving board has a fixed rail, and it can move horizontally. I want to transfer power from the bottom board to the top one. ...
Gianfranco Di Domenico's user avatar
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2 answers
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Need help understanding the basics of electronics

I would like to state that I'm a beginner in learning electronics by reading my first book on electronics I'm lost and would like some help. I even included an image that would hopefully help my case. ...
Fesudin Sarke's user avatar
2 votes
1 answer
118 views

Looking for a cable/connector design with twisted pairs and power [closed]

I have project where I will be running multiple peripheral devices at different voltages, and having them all communicate through differential I2C. I'm looking to find a cable that has at least 2 ...
bdmcnamara's user avatar
0 votes
2 answers
176 views

Pin header connector

In my project I make use of 3 PWM I²C-boards, each having 3 x 16 pin connectors. My initial thought was to use jumper connectors to connect LEDs to the pins but they are not reliable enough. I would ...
David's user avatar
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13 votes
4 answers
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According to my understanding, this induction heater should be melted, but it's not. Why not?

I opened up this induction heater to find that it only has maybe 12 AWG wire in its work coil, rated for 30 A RMS. I've been doing induction heater simulations for a project, and the two topologies I'...
Popeye's user avatar
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1 vote
2 answers
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Is this a cold solder joint and do LEDs dim if it is a cold solder?

Are the solders in blue cold solders or something else? They are connected to LEDs and they are glowing dim now, but they used to glow bright when their wires were soldered properly.
Mohammed Abdul Ghani 's user avatar
5 votes
6 answers
2k views

How can I avoid twisting wires in a circuit that rotates?

I am working on a project where I used a hollow pipe whose one end has a circuit board so that the wires will go through the pipe to the other end completing the connections. That pipe has to be ...
Vinayak Rastogi's user avatar
1 vote
1 answer
103 views

Electrical Drawing Question

I was looking at the electrical drawing above - for US commercial construction. Could you please explain what the following lines mean? 4#250, 1#4 GRD. 2-1/2" C or 3-#8 +10 GRD in 3/4" C
Jafar's user avatar
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Does any one know what type/name these types of cables/wires are called?

I've come across a YouTube video and at 2:22 there is a clip with extremely thin wires. These wires are coated with something which stops them from shorting out. Any name for such wires? Here is the ...
3kstc's user avatar
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2 votes
0 answers
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Analytical solution for the characteristic impedance along vertical wire over PEC ground plane (at given point h)?

For the purpose of TL transformer simulation I need a solution for the characteristic impedance of vertical wire, with radius a, at the infinitesimally short segment - not point, at the height h above ...
Danko Dnevic's user avatar
3 votes
3 answers
640 views

Temperature of resistance wire

I am building a smoke generator based on heating mineral oil with a resistance wire. The smoke will be used for automotive diagnostics. I've read on this site where calculating the temperature of the ...
dbsoccer's user avatar
8 votes
4 answers
5k views

Best way to connect wires to PCB

I have been using mounting blocks to connect wires (typically coming from sensors/supply battery) to my PCB. The problem is, these do not seem to be robust. The wire often gets out of the block, ...
cobdmg's user avatar
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4 votes
1 answer
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Manufacturer amperage rating for cables VS ampacity chart

Whenever I am shopping for electrical cables on stores such as Amazon or Ebay, I often encounter cables with a maximum amperage rating that is way above what I can find in "ampacity charts". ...
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