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

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1answer
38 views

LCD printing blocks

Over the last couple days i have attempted to get my LCD to print "hello world". However for some reason not matter what code i upload from the liquid crystal examples on the arduino program, it ...
2
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3answers
53 views

Why is transformer higher voltage primary usually closest to the core and has the shortest loops?

AFAIK the typical transformer design includes the primary being wrapped closer to the core and the secondary being wrapped atop of primary and so further from the core. Why this way and not the other ...
18
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4answers
2k views

Do conductors age under reasonable electric load?

Construction steels are prone to fatigue failure - they get structurally weaker when exposed to repeated mechanical stress. Is there any similar process for conductors which makes them less usable ...
0
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1answer
17 views

Spice Simulation of EMI in Long Parallel Wires?

I was thinking about using an external power supply for multiple pieces of analog audio gear. But it occurs to me that even if I use separate grounds for power and signal, because the wires would run ...
0
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1answer
36 views

Heat Kathal with D Cell batteries

I have Kanthal A1 26AWG (3.21 Ohms). I need to heat a small cardboard box (Tissues box) 15 degrees Celsius over the room temperature. And I am using 2 D Cell Batteries of 1.5V. I coil the Kanthal ...
-1
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1answer
88 views

Is a current carrying wire always neutral? [closed]

Can we consider all current carrying wires to be neutral (assuming they have a negligible capacitance). Either way please can you explain.
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2answers
63 views

What type of wire should I use to connect my buttons/sensors from 3 feet away?

So I've got a little prototype using some buttons and pressure sensors plugged right into the breadboard. My next step is that I actually put the buttons and sensors where I want them, but they're ...
0
votes
4answers
134 views

Heating a 1km long wire to 110 C using a 12v supply from a car cigarette lighter

I am a complete newbie to anything electrical/electronics. I am doing a project where I need to heat a 1 km long (Nichrome/Kanthal) wire to up to 110 degree Celcius. The only power supply available is ...
0
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1answer
44 views

How long can 0-10V wires for valve control be?

I'm thinking about controlling a valve for fan coil coolant from a distance of approximately 10 meters. The control signal is 0-10V, and the impedance of the regulator is stated to be 100k ohm. ...
0
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0answers
28 views

Creating a ternary NOR gate with ferromagnetic core

I'm studying three-valued (ternary) logic systems. I came across this site. Which describes how to build a two-valued nor gate out of a ferromagnetic core and some tricky winding. What caught my eye ...
0
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1answer
37 views

Raspberry PiFace, need to put 14 gauge wire in 1.5mm terminal

I have a PiFace and I need to get at 14 gauge wire which is 1.63mm thick into a 1.5mm screw terminal. To pass 4 Amps at 24VDC. I only have 14 gauge and 22 gauge wire, the 22 gauge wire won't pass all ...
1
vote
1answer
301 views

Maximum current capacity of this wire?

I couldn't figure out the maximum amount of continuous current can a 4 meter 0.085 Ohm wire carry? Also, for 300 milliseconds can it handle 100Amps? Provided a powerful fan cooling it? What about ...
1
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1answer
61 views

What guage is the super thin wire in headset cable (e.g smartphone)

What is the gauge of the thin wires in a headset? I can tell they are stranded (not solid) and coated with paint on the insulation. they appear to be finer than the 24 awg that is in an ethernet ...
0
votes
1answer
54 views

Sending power to passive subwoofer via RCA connections

I have a home theater receiver with a powered subwoofer output and a matching passive subwoofer. I've always connected these two items using speaker wire. Recently I moved into a place that has ...
0
votes
1answer
40 views

Can I hard wire an IR remote directly into the receiver?

I have a IR remote control and a clock (which it is designed to control.) I would like to remove the IR LED from the remote and the sensor from the clock, and run a wire between the two (so the clock ...
15
votes
2answers
2k views

White hairs inside a headphones cable

I have a cheap set of Phillips SHE3000 earphones with a broken wire on the plug. Since I was repairing another set of headphones, with the same problem, I bought an extra plug, just to try repairing ...
0
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1answer
70 views

How do I strip litz wire? [duplicate]

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
120 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
62 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
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1answer
64 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
0
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0answers
55 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
57 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
529 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
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2answers
53 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
81 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
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0answers
55 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
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0answers
26 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
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2answers
139 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
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2answers
56 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?
0
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1answer
53 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
109 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
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2answers
61 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
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1answer
126 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
101 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
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0answers
37 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
74 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
77 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
143 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
399 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
111 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
695 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
110 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
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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
797 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
633 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
264 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
166 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
112 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
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2answers
145 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 ...