Questions tagged [wire-size]

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Do power inductors having an aluminum winding (or a light weight winding) exist? [closed]

I need the lightest power inductors possible. Do inductors having aluminum windings (or any light-weight winding) exist? I would also consider hollow-core wiring to be used at very high frequencies, ...
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LED strip multi segmented WS28xx wire gauge

Given the following "circuit", I'm trying to find out what the correct wires gauge should be for the points: A,B and C. I have 15 LED strips (WS2815, DC 12V / 60 LEDs per meter). Each ...
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What is the recommended wire size for a device that outputs 5V/3A?

I am planning to design a diy 18650 power bank and I want to know what AWG would be appropriate for this application. The device is expected to output 5V/3A and the wire length connecting the ...
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-2 votes
1 answer
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How do I cut a electric wire, that is still working? [closed]

Must I wear some kind of gloves, are cutters with plastic cutters enough for safety. I heard one should wear rubber boots. Are there other safety tips?
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1 vote
2 answers
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Difference in wire gauge for three phase and single phase domestic power supplies

I'm trying to understand why the recommended wire gauge for a domestic supply depends on whether you're getting three phase or single phase power. Specifically I'm talking about when the power rating ...
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4 answers
118 views

Why is my calculated wire size a lot bigger than the traces on my LED strip?

I've 3D printed a nanoleaf assembly which will have WS2812B LED strips in them. I'm calculating the correct wire size but my result seems off. I have 14 hexagonal parts which have sides of 10 cm. I ...
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1 vote
1 answer
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Wire sizes, difference between "-" vs "/"

Is there a difference between 10/2 AWG and 10-2 in wire sizes? Why is there sometimes used a slash and other times used a dash? Googled this but didn't find anything.
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What are the wires of headphones made up of?

Of what material are headphone wires made up of? Are they made up of copper? Can can replace the wires in it with copper wire?
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-2 votes
2 answers
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What wire to minimize my wiring loss?

(Please be gentle, I am a total novice when it comes to EE...) I'm working on a design for an "off grid" setup. For... reasons (see comments and edit history, but those details are ...
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Is 12/2 UF wire suitable for a 500 foot circuit with four 400 watt heaters for watering troughs in various locations - 120 volt system?

12/2 UF wire buried in the ground. 500 feet 20 amp circuit 4 watering troughs that draw 400 watts each in various places throughout the circuit 500 feet being the last one Is this wire suitable?
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Do I have to consider the wire gauge of common return?

I am planning on using a 9 core wire to control 8 solenoid valves. 8 for the positive and the 9th for the common return. This is my first time ever using multiple positive wires with a common return ...
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12 AWG galvanized steel high tensile wire okay for running 12 volt 7 A DC?

I need to run 12 VDC about 50' along a fence that already has several 12 gauge galvanized steel wires running on it. It is going to be pulling less than 7 A at most. I can make sure the lines are not ...
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Is heating the nichrome wire with phone battery possible?

I want an nichrome wire to heat instantly red hot when connected with phone battery using 2 copper wires. Do I need any extra circuit to convert the volts into current for heating? (H=I^2Rt) Would ...
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Approrpiate Guage wire for 12v 1amp power supply?

I am looking to power a Wineguard 12v Antenna Amplifier off a pc power supply. However I am wondering what gauge wire is right. The run will be about 4 feet total (2 ft each direction) at 12v with a ...
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What is the correct wire size to run to a 12V 1.5 amp window blinds motor that is 47 feet from the DC transformer?

I read somewhere that an 18/2 wire could be used to connect a transformer to my window blinds motor (12V 1.5 amps). However, it didn't say anything about the distance. Since I am running it inside ...
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-1 votes
2 answers
2k views

How to determine cross section of cable [duplicate]

I'm looking at this table that suggests a 0.5mm2 cable could withstand 720W at 3A. At the same time I used a cable size calculator online to determine the size of cable I would need to use for a ...
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2 answers
1k views

Could the terminal length of components like resistors be reduced? [closed]

When breadboarding the length of the wires on resistors (through-hole) is quite comfortable. The same holds for other components like diodes or capacitors. I presume the terminal length was made to ...
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What Dupont wires fit into pin machine headers?

I currently only have machine pin headers lying around. However, none of my Dupont wires fit into them. What sort of pre-made wire fit into these, and what are they named?
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4 pin connector is melting even with 5 volt and 0.1 amp power supply, Why?

I am using a connector as shown: . I am using this to connect to my camera, which works at 5 volts and 0.1 Amp. But this connector works only for few days and then the plastic portion of the ...
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1 answer
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RV Off-Grid Electrical System Wire Gauge Sizing

I'm working on building a Tesla battery powered off-grid system in our Airstream 22FB Sport. The idea is to be able to run the 120V AC system from the 5.2KV Tesla battery which is with the existing ...
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2 votes
1 answer
88 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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1 answer
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Relation between Amps and Thickness of wires

I have some questions that have been bugging me for the past few days, and I am here in hope of some help. My Understanding of how battery works: "The battery (say 9V DC) does not store charge, it ...
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2 answers
4k views

What do hot/warm wires mean?

I am making an electrical fridge for a school project. I am using a 12v Peltier cooler and using a 12v 30a power supply. I have all the wiring and everything already set up, and no matter what I ...
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2 answers
1k views

Help Understanding How Long It Will Take To Heat My Wire

I am trying to find out how many Amperes I will need to reach a certain temperature in a certain time (Milliseconds) I need a thick wire to slow the melting of the wire. "Nichrome is the wire I'll be ...
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Wire size for part of the circuit (AC)

I've bought some cheap AC-DC converter online. The goal is to place it inside a roof lamp's base, and power an ESP8266 clone at 3,3 volts from mains (in Europe, so 220v/50Hz). The lamp connection (...
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4k views

How to calculate the neutral wire size of a home (department)?

I know that in electrical grid, Neutral wire is a non current carrying conductors so its cross section area is smaller than the cross section area of the live conductors. I think it has half of size ...
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2 answers
91k views

How to choose wire size for an air conditioner?

There is a difference between my calculations and what electricians say. Am I missing something? If I need to install a 3 horsepower air conditioner. Electricians always choose wires that are more ...
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