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Questions tagged [wire-size]

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9
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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 ...
0
votes
1answer
76 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?
0
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1answer
97 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 ...
0
votes
1answer
48 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
votes
1answer
51 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 ...
0
votes
1answer
94 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 ...
0
votes
2answers
932 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 ...
0
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2answers
471 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 ...
0
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2answers
196 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
votes
1answer
151 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 ...
0
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2answers
3k 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 ...
0
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2answers
63k 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 ...