Questions tagged [wire-size]

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4answers
64 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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1answer
80 views

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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2answers
85 views

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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2answers
80 views

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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1answer
55 views

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?
1
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0answers
51 views

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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2answers
150 views

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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1answer
291 views

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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1answer
49 views

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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1answer
946 views

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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2answers
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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2answers
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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1answer
129 views

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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1answer
178 views

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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1answer
70 views

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 ...
2
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1answer
73 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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1answer
2k views

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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2answers
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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2answers
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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2answers
253 views

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 (...
3
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1answer
313 views

absolute minimum wire and pad sizes for hand-made PCB's

I manage to get the autorouter in Eagle to complete the routing if I use small sizes for the wire and small clearances between wire and pad and wire and wire. Since I'm making the circuit on a ...
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2answers
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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2answers
90k 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 ...