Questions tagged [wire]
A length of conductive material used as a conductor of electricity.
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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 ...
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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 ...
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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 ...
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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?
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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.
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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
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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%...
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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
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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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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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. ...
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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.
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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 ...
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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 ...
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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'...
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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.
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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 ...
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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
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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 ...
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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 ...
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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 ...
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I'm looking for advice on running parallel wires
I had a preformed nickelstrip on a M18 power pack break off at the PCB. I'm planning on reusing the nickel as base. It is 0.3 mm × 4 mm and can carry 6.9 A. I have solid bare 24 gauge copper that can ...
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Load-Bearing Two Conductor Cable for Electromagnet Cranes?
Does there exist a class of two-conductor cable that is flexible enough to be spooled around a pulley but is also load-bearing?
I am needing to build an electromagnetic crane/winch inside a vacuum ...
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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, ...
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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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Power folding mirrors are 12 V (10 A fuse) and the wire is short. Should I add 12 gauge extension wire?
Power folding mirrors are 12 V (10 A fuse) and the wire is short. Should I add 12 gauge extension wire?
The power folding mirrors' functionality works when the door unlock or locks which has a fuse of ...
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Is it safe to swap positive and negative on a barrel plug?
I have just enough knowledge about electrical stuff to get in trouble... So that is my background, and hence why I am asking before I do something stupid.
I have a device I want to power that is ...
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Which of these wires is positive and which is negative?
I know that in DC circuits the colour code is often (but not always) that red is positive and black is negative.
On this AC mains wiring the wires are blue and brown. Does anyone know which is which? ...
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How to calculate the maximum current a wire can handle?
Is there a formula for calculating the maximum current a wire can conduct without melting? I found one:
I = αd^(3/2) in which I = fusing current, d = wire diameter in inches, and α = a constant ...
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Can I safely use 22 AWG to run a 240 V relay at 30 meters?
I have three devices that I need connected. They are about 30 m away. Conduit space is limited so I want to try to get a single, multi core cable through for all of this.
What I need to run:
220 V ...
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Signed wire: synthesize view
What does this expression mean in Verilog?
wire signed [6:0] X [0:0];
What would this look like if it was synthesized?
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Power cable rating: amps vs. wattage [duplicate]
I have a very weird science experiment, where I need to provide 50 A over a cable. The requirement is independent of voltage (for a Hall-effect sensor).
My plan was to use a 5 V, 100 A power supply ...
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Is Ohm's law really accurate?
Say I had a component with a resistance of 100 Ω, and I attached a 12 V power supply across its terminals using:
a thin wire
a thick wire
Would the component in both cases really draw (12 V/100 Ω) A?...
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USB3.0, 3.1 differential pair wire length matching
I have a question about USB 3.0 wire differential pairs length matching.
As we know, the length matching is required and can be calculated when designing the USB3.0 PCBs. But what about the wires?
If ...
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How to solder power adapter wires directly on PCB?
I’m trying to fix a Dremel that has a broken power adapter jack. I think the best way to repair it would be to solder the power adapter wires directly on the PCB of the Dremel.
There are still 2 wires ...
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