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Questions tagged [wire]

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

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7 votes
1 answer
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Design of very long serial signal systems

In the current case there is a single signal conductor, tens (hundreds?) of meters long, which serially connects door and window sensors for a whole building. The sensors are simplest possible ...
NoobPointerException's user avatar
0 votes
1 answer
53 views

Single-core-wires: should sharp turns be avoided?

When making connections with single-core wires, should sharp turns like this be avoided, opting for a rounder turn? Or it doesn't matter?
wyc's user avatar
  • 273
1 vote
1 answer
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Substituting lighter gauge wire for a heavy gauge wire

Would two 10 AWG wires replace one 8 AWG? I am setting up a 2-pole 50 amp breaker.
user6093405's user avatar
0 votes
1 answer
33 views

Can I Wire a Thermocouple Like a PT100 Sensor

I have an IoT multi-channel controller which can accept PT100 sensors (2-wire or 3-wire). I don't have any PT100 sensors, however I do have K-type thermocouple wire. Is there any way to wire in the ...
Kendric Rendle-Short's user avatar
3 votes
1 answer
191 views

Need connector ideas [closed]

I am designing a transducer with two platinum electrodes (black lines in below picture). These electrodes are going into acrylic discs above it (blue boxes), 20mm Outer Diameter, 15mm Inner Diameter, ...
Iskander's user avatar
1 vote
0 answers
36 views

Cable harness plan design question about dimension representation

Maybe this isn't realy a 100% electronic question. I need to send a drawing of a cable harness to a subcontractor. My problem is that my predecessor represent the dimensions like this: And I'm pretty ...
SteveninJ's user avatar
1 vote
2 answers
68 views

Will crimping ferrules on 2.5mm2 wire make more reliable connection to screw banana plugs?

I have a lot of 4mm banana plugs intended for at most 6mm2 wire that are connected to the wire using a screw connection. I use them with both 6mm2 wire and 2.5mm2 wire. I have found that the screw ...
juhist's user avatar
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0 votes
1 answer
62 views

Purpose of wires of ESC [closed]

I have a brushless sensored DC ESC. The Manufucturer doesn't have instructions. I probably know the purpose of every wire. The three thick wires are for the motor phases, the three wires together (...
user334991's user avatar
0 votes
3 answers
122 views

Why is there a greater lag in Bluetooth headphones compared to wired?

The Usual Answers and Responses: Encoding, Compression, and Buffering The typical answer to this on the internet is because Bluetooth headphones require the conversion of one form of data information ...
Curious Layman's user avatar
0 votes
0 answers
38 views

Power loss in transformer windings

I am having a confusion while designing the transformer for my smps design. I am in the initial stage of setting my equations for the transformer. I have been following the slides from the ...
kam1212's user avatar
  • 669
0 votes
1 answer
43 views

Current rating of a multicore wire

Regrading this 18 AWG wire, under specifications there is this table given: I want to use this wire to power a module which requires 12VDC and max 5A. In the specs there's nothing about max current. ...
cm64's user avatar
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14 votes
1 answer
2k views

Why do these secondary transmission wires coil around the primaries?

All three primary transmission wires in the picture below have smaller wires coiled around them. These smaller wires (secondaries?) connect to a transformer and onto a nearby house. The coils follow ...
pfiers's user avatar
  • 143
1 vote
1 answer
56 views

Is brazing and TIG welding wires acceptable connection according to code?

The other day I had my air conditioning repaired, and one thing I saw the technician do is braze the copper pipes together. This got me thinking why don't I see that done in electrical setting. I ...
DrakeJest's user avatar
  • 917
4 votes
3 answers
916 views

Did my WS2812B strip come with wires way too small for what's needed?

I bought it on Amazon, so it's pretty much a no-brand, no-specs, product, but the product page says 0.24W per LEDs and it has 300 LEDs, 72W (woa!). At 5V that would be 14.4A (double woa!). It uses the ...
Pablo Fernandez's user avatar
2 votes
0 answers
135 views

What type of wire do you recommend for "breadboard jumpers" where the insulation doesn't melt?

Every kind of 24AWG solid core wire I've gotten from Amazon over the years has this same problem. If you want to have lovely neat organized breadboards/perf board circuits, you try to bend the wire to ...
AJ_Smoothie's user avatar
1 vote
2 answers
85 views

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
  • 13
0 votes
1 answer
102 views

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
1 vote
1 answer
76 views

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
0 votes
0 answers
44 views

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 ...
TheDegman's user avatar
0 votes
0 answers
53 views

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 ...
MooCow's user avatar
  • 101
0 votes
1 answer
41 views

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 ...
Ruhi's user avatar
  • 13
0 votes
2 answers
158 views

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
  • 7,697
11 votes
5 answers
3k views

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
  • 7,697
0 votes
2 answers
153 views

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
0 votes
1 answer
66 views

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
0 votes
2 answers
60 views

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
1 vote
1 answer
242 views

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
0 votes
0 answers
38 views

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
  • 1
0 votes
1 answer
140 views

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
0 votes
0 answers
44 views

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
1 vote
0 answers
106 views

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 ...
kam1212's user avatar
  • 669
0 votes
5 answers
770 views

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
0 votes
0 answers
30 views

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
90 views

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
1 vote
1 answer
34 views

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 ...
BigMac's user avatar
  • 27
0 votes
2 answers
85 views

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
374 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 ...
Daniel's user avatar
  • 73
10 votes
3 answers
1k views

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-...
Gus's user avatar
  • 109
1 vote
2 answers
248 views

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
1 vote
2 answers
66 views

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
0 votes
0 answers
111 views

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
245 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). ...
Vilx-'s user avatar
  • 755
0 votes
0 answers
46 views

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 ...
Russell McMahon's user avatar
  • 151k
9 votes
6 answers
6k views

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 ...
Ri Di's user avatar
  • 1,039
0 votes
1 answer
58 views

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
802 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
0 votes
1 answer
127 views

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
1 vote
2 answers
115 views

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
  • 13
0 votes
2 answers
215 views

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
  • 7,697
2 votes
3 answers
111 views

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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