Questions tagged [awg]

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48 views

Will I run into a problem if I use an 18AWG extension cable for 240V device?

I currently have a length of SOOW 18AWG with ground connected to my breaker box. One lead is connected to phase 1 on a 15A breaker. One lead is connected to phase 2 on a 15A breaker. ...3 is ground/...
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3answers
69 views

Why are AWG charts rated in amperes and not in watts? [duplicate]

American wire gauge chart is rated in Ampacity. Isn't it wise to be rated in watts? Let say a wire is rated to conduct a certain amount of current what's going to happen when the voltage goes higher ...
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2answers
57 views

wire gauge for prototyping board

I am learning to do electronics making a things like a 3d scanner and a CNC. I want to make my own board to control the steppers and I have got the stepper drives, prefboard, arduino, etc. The only ...
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1answer
30 views

How to calculate wire guage when connecting battery cells in series?

How does one determine what wire gauge to use when building a battery by connecting lower voltage cells in series? e.g. Let's say one is building a couple of 12V batteries that are expected to supply ...
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2answers
89 views

Can 300 ADC damage a battery wire (4AWG) rated for 60VDC, 150ADC if 300ADC @5VDC is passed for 2 seconds?

I would like to know if there is a risk of damaging a 4AWG Battery wire (worst case fire hazard) which is rated for 60V, 150ADC if 300Amps @5VDC is passed for only 2 seconds? I am working on a test ...
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2answers
47 views

Wiring ampmeter with reduced wire size

I have a solar system on a boat. 12v 8amp max The wiring is 12 ga The digital amp gauge I have has 20ga wire 2”long ea total is 4” This wire seems to small. Should I shorten the gauge wires ?? Is ...
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5answers
114 views

Does the voltage affect the AWG wire size choice?

I read a lot of website and articles about how to choose the right wire size, this one for example, and all of them have a table with AWG size and a corresponding maximum amperage. However, they never ...
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1answer
47 views

Same awg wire but larger diameter on one?

I bought 22 awg wire from the same seller twice at different times. When I bought it the second time, I noticed that one of the wire including the insulation is noticeably larger. Does this 100% mean ...
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1answer
46 views

AWGs for the following LED setup

I'm ass deep in my next project.....4 LED cubes(small lanterns) on the ceiling... The strip is: Power: 0.1-0.4W/LED 6W-24W/m Total: 30W-120W This is a variable value Have a 12V power with enough AMPS.....
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2answers
29 views

Convention for describing larger or smaller wire awg

With wire awg, a larger number means a smaller wire. What is the proper convention for making comparisons between wire awg? For example if you you say it a wire needs to be larger than 12awg, is ...
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1answer
73 views
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1answer
55 views

Wiring WS2812b to power supply

I currently have am trying to power a 300M 5V WS2812b from only one end from a 5v 20A power switching supply that I got off ebay. There is about 8-10 feet of distance between the two, and I was ...
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0answers
63 views

Carry 2A over AWG28

I'm looking at a (relatively popular) slip ring which uses AWG28 wires and has a rated current of 2A/channel. However, this chart suggests that AWG28 is only capable of carrying 0.226A for power ...
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0answers
47 views

Aircraft Harness: 32 AWG conductors to 22 AWG connector

I'm a junior electrical engineer on a new job where I design the EWIS (electrical wiring interconnect system) of a small aircraft. There is the need to connect a small Curtiss-Wright Ethernet switch ...
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3answers
297 views

Can wire gauge be increased gradually over the length to compensate for voltage drop?

Assume DC. For a given amperage and distance, does the wire gauge need to be constant over the length of the cable? For example, assume 3% acceptable voltage loss, 24Vdc, 10 meter, 50 amp. A cable ...
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1answer
772 views

Is 26 AWG good enough for a ~1.5 amps current at 5V?

I have recently started to learn about electronics and as my first project, I'm trying to make a wifi-enabled LED strip. I have read a lot about all the theory, followed tutorials, and try to be ...
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1answer
76 views

IR drop in wires

I have 2 wires (18AWG & 28AWG) of the same length which I connect to a power supply to deliver power to my board. My board will consume around 400mA maximum. Which wire will have more IR drop ...
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2answers
94 views

Maximum current on 6 AWG wire

So there are two types of 6 AWG cables: PVC insulated cable with tiny copper strands inside. Official specs: 135A @ 100% max current, resistance 1.21 ohm, temperature from -40 to 85 degrees C. ...
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2answers
248 views

How can 22 awg cable over 100cm deliver 3A

I wonder how 22 AWG cable e.g. USB-A to DC power jack with 100 cm length can deliver 3A. Why am I asking -> Using this calculator (I hope its correct) by entering values 2% drop, 1 meter, 5V, 3A ...
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1answer
33 views

What effect does having 'measured' as a parameter in additive white gaussian noise?

I'm comparing the bit error rate of various modulation schemes with additive white gaussian noise in MATLAB. There's the option to have this noise using 'measured' which measures the power of a ...
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1answer
68 views

How to extend router wire?

I have a router with 2m wire, and it would be really useful to extending it a little. I was thinking about cut in somewhere and add 2 'nipple' (not sure if proper word) to connect them with new 3m ...
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1answer
37 views

Calculating electromagnet – magnetism vs heat

Im making an electromagnet that will be more or less permanently turned on so I need to avoid heating problems. I have studied this a bit and came to the conclusion that: the lower the gauge (AWG) (...
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1answer
418 views

Why does the max current capacity decrease with the number of cores for the same AWG?

I couldn’t find a similar or duplicate question yet but regarding this table for instance a 24 AWG wire can carry max 3.5A current if it is single core. But if it is seven core it can only carry max 1....
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1answer
378 views

On a wire designated as '3x14AWG' what does the '3x' part mean?

On a wire designated as '3x14AWG' what does the '3x' part mean? It is on a wire that is part of a surge protector power strip.
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3answers
89 views

Wire size question

I am trying to figure out AWG from a European/German schematic. The wire is listed as 0,3mm. (That's 0 (comma) 3mm.) I can find wire for sale in this diameter, but I need a reference to AWG. Is ...
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2answers
260 views

Using 28 AWG flat/ribbon cable for LEDs

I want to control a lot of LEDs (like 128) in an area of about 1 m2. Instead of using separate wires, could I use a 28 AWG flat cable, and split/cut it wherever needed? E.g. split it in two wire ...
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1answer
136 views

Is this cheap extension cord safely rated for 1625W?

Comparing two cables that I have, a cheap extension cord and an expensive "heavy duty" extension cord, both are rated for the same load. Is this an inflated rating or is it accurate for the white ...
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1answer
717 views

Reducing voltage for increased current through wire

I am wondering, if I reduce the voltage going through a specific sized wire, can I therefore increase the current? I am creating a series-parallel battery bank and it will output 7.4 volts at 75 amp ...
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1answer
2k views

What wire gauge for use for JST-XH connectors with and without insulation?

I bought a variety kit of JST-XH connectors on ebay: The auction says: Wire Range: AWG 32-24 Insulation O.D.: 1.00mm (Max) But Wikipedia says that this connector supports AWG 30-22 and does ...
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1answer
65 views

In a 240 V “2-phase” wiring, how does current/amps get distributed?

It is my understanding that if I need to draw, for instance, 30 Amps from a 240 V circuit (Live-Live) then there will be 30 Amps running from both wires, not half and half. So, the AWG sizes for the ...
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2answers
2k views

Is 22AWG wire appropriate for 144-LED WS2812B strips?

There is a question on a 1m set of WS2812B LEDs at 144 LEDs/meter (60mA/LED at peak brightness) about what gauge wire is used. The seller replies that the wire is 22 AWG (linked above). 144 * 60mA = ...
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5answers
3k views

How hot should wires get?

I am using 10 AWG wire to power a BLDC motor, and these wires can get quite hot. When an IC is intended for high power uses, it is common practice to put a heat sink on it, but what about for wires? ...
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1answer
78 views

How to read wire wrap labels?

This image is an example of a wire wrap label that lists multiple AWG numbers. What does it mean? How could it be anything but a single specific gauge?
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2answers
3k views

wire crimper sizes: mm2 vs AWG

Electrical wire crimpers available on Amazon Canada tend to list die sizes in mm2. This one cross-lists them in AWG, but there are some discrepancies between these sizes and the mm2 equivalent of ...
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2answers
209 views

Determining minimum safe wire width at high amps in a DC 12V system

In a 12V DC system, given a particular maximum current and length of wire, what is the best method to determine the minimum width (gauge) of that wire? In particular, what method is best for high ...
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1answer
1k views

Struggling to understand wire gauge and strands

I have been trying to understand wire gauge for a project, but there are so many different strand types and sizes it's alittle overwhelming. The wire needs to be 30 AWG and stranded, is it common for ...
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2answers
2k views

Ws2812B strip required AWG

I’m looking to setup 6 runs of WS2812B strips at 10 meters length each (2 rolls of 30/m each). I selected a 5v 100 amp psu and plan to power each strip by supplying power at one end and in the middle....
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3answers
13k views

AWG for connecting a USB

What is the recommended AWG size for connecting a USB male connector? The link from Instructables.com below uses only a spare LAN cable and no mention of the size: http://www.instructables.com/id/...
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1answer
121 views

Suggestions for toggling between 3 voltage levels from 100MHz to 1 GHz, to generate square waves?

Can anyone suggest what would be some better ways(purchased with minimal work if possible) to generate square waves at 3 tunable voltage levels toggling arbitrarily(EDIT: as in a PRBS/PRBS7/PRBS31, DC ...
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1answer
55 views

AWG Conflicting Sources

Novice question, sorry if it has been asked. I couldn't find it. I'm currently working on a project and I'll be powering 2 LED strips connected together. They each require 12V (24W, 2 amps). I need ...
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1answer
128 views

Unifilar (non-stranded) copper wires flexibilty

we all know the 26 AWG wires that come inside UTP cables. Those surely are flexible. But what a bout an AWG 15-16 such copper wire, is it flexible enough to use as feeding cable for the 12 V car ...
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3answers
609 views

Choosing cables for high amperage

I'm having trouble choosing a wire gauge for a project I am working on that uses high amperage (100A) at 14.8V. From what I have read here, I think have to use at least 6 AWG to handle it. What's ...
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5answers
4k views

over current in 26 AWG (pulsed)

I am using a 26AWG wire for an application. As per specifications a 26 AWG wire can carry, 2Amps max. Supposing I connect a load of 3Amps. For how long will tis be sustained by the said wire ? The ...
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1answer
468 views

Max current and wire gauge

I am trying to measure the current consumed by my circuit using an MDO4104 oscilloscope. I have soldered a 0.01 ohms resistor in series with the Vcc. The 2 ends of the resistor is are probed using 2 ...
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1answer
1k views

Fourier Transform of Additive White Gaussian Noise?

How do we calculate the Fourier Transform of Additive White Gaussian Noise? Since AWGN itself is random, does it mean that its Fourier transform is also random?
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1answer
903 views

adapter between thicker and thinner AWG wires [closed]

I'd like to connect two different AWG wires, sizes 18 and 24. Preferably made specifically for outdoors underground usage. More to the facts, the 24 AWG is part of a 8-wire CAT 5E cable that I need ...
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3answers
3k views

What are the effects of trimming the diameter of a wire down to half its gauge?

I have a three-phase, 4 AWG 259/28 stranded power transmission cable (3 conductors total) running ~200m into a slip ring. The only way to connect to the slip ring is by using its 8 AWG pig tails. ...
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5answers
3k views

Why do some wire gauge ampacity charts state vastly different current ratings?

This is a question that I've had for a while but have somehow managed to go without asking. Looking at all the wire gauge ampacity charts online, some of them appear to provide vastly different ...