Questions tagged [wiring]
How wires connect to terminals and to each other; coloring and organization schemes; appropriate wire selection and installation techniques
1,025
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Can I connect multiple power supplies to a single outlet?
I recently purchased two power supplies from Amazon:
https://www.amazon.ca/gp/product/B07TWW8Q73/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&th=1
https://www.amazon.ca/gp/product/B005T6UJBU/ref=...
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Why do some power supplies have multiple output channels?
I recently purchased this 24V 15A 360W AC/DC power supplies from Amazon:
https://www.amazon.ca/gp/product/B07TWW8Q73/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Notice how it has 3 output ...
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Using the neutral wire for data transmission
I know this is a bad idea, but that does't mean I don't want to try it.
Powerline networking is a thing. It could well be they do this in the way I'm considering, but I'd imagine they probably ...
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148
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Powering 24 V and 12 V device simultaneously from two 12 V batteries
I have two devices which need to be battery-powered (remote area, no grid power available). One device requires 24 V, the other requires 12 V. Both are very low amperage (~50 mA).
Can I use my two 12 ...
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1
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Fixing one side of earphones [closed]
I have a set of stereo earphones on which the left side suddenly stopped working.
After removing the plastic covers of each ear piece, I could see that none of the wires inside had disconnected.
I ...
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1
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1
answer
476
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Is there a way to identify which wire is L and which is N on an appliance (the electrical device itself, not the wall socket)?
I have a specific question but I thought it could also be made more generic. I have this device, a Fakir HQ1200 heater:
I am an idiot and disconnected the wires before taking a picture/marking them, ...
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1
answer
493
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Can I interchange hot and neutral wires on a Shelly 1 AC input? [closed]
Shelly 1 can be powered by 110-240 VAC. I will use ti as a temperature sensor and I need to power my device from a regular European socket, which means that the user can plug into the wall in any ...
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1
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Wiring of ESP8266 to multiple digital sensor modules in input and PWM outputs
I need to have an ESP8266 connected with these components
MPU6050 gyroscope/accelerometer
HMC5883L compass
BMP280 presure sensor
GYNEO6MV2 GPS Module
and I should drive 4 PWM lines according the ...
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1
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199
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Wiring STM32 bluepill to STLINK-V3 for SWD debugging
I want to debug an STM32 blue pill using the SWD debug interface of an STLINK-V3. Bluepill's SWD pinout is as follows:
And the STLINK-V3 SWD pins are as follows:
Should I power the target STM32(in ...
- 1,405
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147
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Adding an external switch and external LEDs to this circuit
I'm building an arcade cabinet, and would like to incorporate two different gaming systems (PC and a FPGA). I have the overall setup functioning (PC + FPGA --> KVM with external switch --> CRT ...
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563
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Need to confirm electric motor wiring as motor has two black and two blue leads
Following on from the question here.
I note that some electric motors have dual black and dual blue leads.
Does this mean that there are two positive and two negative sides to connect up? Or do I just ...
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Which wire is positive on this audio jack (blue and white)?
Which wire is positive and which is negative on an audio jack wire that I have cut off to do some experimental work? I have searched the internet and a lot of answers contradict each other.
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4
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319
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Wiring a single-phase auto transformer
I have a 220 V to 110 V transformer but it's not the type which comes with the plug and outlet built-in so I need to make the connections myself.
The only problem I have is that I'm not sure which ...
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66
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How to configure wiring for a pair of Valet Vacuum System 220 V, single-phase motors
I have two new electric motors for a Valet Vacuum System. Unfortunately, the photos I took of the old motor setup (which was a few months ago) I have lost off my phone.
The new motors are slightly ...
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1
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Using truck 12 V power to trigger lights on trailer
I have a ute (Australia, so truck to the Americans in here) and a car trailer.
I have a 4 LED lights on the trailer wired to a relay which is powered by, and earthed directly to, the trailer-mounted ...
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Can a single device connect to two different power outlets?
I’m designing a desk with electrical parts onboard that need to be plugged into a wall outlet.
I’d like the desk to have two power inlets that can plug into the wall—one on each side of the desk—so ...
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Trying to power three separate 12 V circuits with one wall wart
I’m quite new to all of this and I’m working on a project. I know the wiring for one, but I’m not sure how to do three together.
Here’s my wiring diagram - right under the momentary switch is the DC ...
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3
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Need vendor and type of wire used in headphones [closed]
I have Soundcore Vortex A3031 folding Bluetooth headphones. The issue with the headphones is that the left speaker no longer works.
I have troubleshot the headphones and there is a break in the wiring ...
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Why aren't stranded wires used more widely if conductivity is improved and price is reduced?
Why aren't stranded copper coated aluminum cables (CCA) widely used outside a small niche of speaker wires or 12 VDC applications?
According to this post the issue is with the insulation jacket which ...
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Van conversion hookup point AC Earth to chassis negative
I'm helping my brother convert his van into a camper and installing solar panels, a leasure battery, and hook-up point, but I'm slightly confused. I've been working on the hook-up and loads of things ...
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How to check if a 4-pin button is burnt out?
I was soldering a circuit with a 4-pin button in it and was trying to find a janky connection. I had the button output displayed via serial terminal (since the circuit used an Arduino) while I was ...
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Is there a way to connect JST RCY female end to JST PH male end?
I recently bought a lipo charger with a 2 pin JST RCY female end, however I did not realize the lipo I owned had a JST PH 2 male end (not RCY), so I was unable to connect the two and charge the ...
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4
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2k
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Wiring a 240 V single phase cable to two 110 V outlets (120 deg apart)
I have access to three 110 V outlets, representing 3 phases of a 240 V outlet (phase A, B, C). I am thinking of using two of these three phases (A and B) as my hot and neutral to give around 208 V.
I ...
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327
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Do I solder jumper wires on top or below my Arduino Micro without headers?
I am a beginner when it comes to Arduino and electronics and I have recently been building a calculator from a button matrix and an LCD. I have linked the Tinkercad design here:
(Source)
I am ...
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134
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How to connect IEC cable to the output of a Yokogawa WT310 power meter
I am using a Yokogawa WT310 power meter. Its back side looks like this.
I want to use it to know the power an equipment is drawing out of the wall outlet.
Going into this meter, I obviously will use ...
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What type of wire is that? How can I solder two ends together? [duplicate]
I need to reconnect two parts that I had to separate. The wires look unusual and I’m unsure how to solder the two ends together. They are stranded but don’t have a plastic coating. The middle looks ...
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295
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How to attach cable to a solder eyelet? [duplicate]
I believe that's what such connector is called. I want to attach 18 awg wire to it. Is slide on terminal the best choice?
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Can I replace two run capacitors with a dual run capacitor?
In this unit https://ameristarhvac.com/wp-content/uploads/pdf/M4AC3-Air-Conditioner-Installation-Manual.pdf
Can I replace the 35 uF capacitor and the 6 uF capacitor with a 35/5 uF dual capacitor? If ...
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12/24 volt system. With diagram
Please review diagram. A simple basic system to provide 12 or 24 volts. SPDT switch will activate either the 12 or 24 V system.
The solenoid is used in the 24 V system because of the high current load ...
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Which connector is this three connections inline XS 20 marking
I can't find the connector type of this part found on alibaba for which I need its mate.
I have it in front to me. body is 300mil width and about 200mil thick.
Pin spacing 2.5mm (NOT 100mil!!!!)
There ...
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349
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What is the PE in 4P+PE connector mean?
I'm wiring a valve actuator to a connector for quick-disconnect purposes. The actuator has five wires so I thought of getting a connector that says 4p+PE, however I was told that 5p was needed.
I'm ...
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4
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242
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What gauge wire is acceptable from 15 amp power supply with low current demands? [duplicate]
I am looking to directly power a Raspberry Pi for my 3D printer from its existing power supply. The terminals on the power supply appear to be ~15 amps max output at 24V. I already have a buck ...
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496
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Heater from France with blue, black, brown wires [closed]
I have just bought an oil heater from Screwfix. It is a French appliance supplied without a plug. I've just realised the wires are blue, brown and black. Would anyone know how I go about connecting ...
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Wiring power to many LED Strands
I have read as many threads on this site and others related to this, but haven't found any that specifically answers my questions.
I have about 20 WS2811 LED Strands. They are 12V and each LED uses ...
0
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1
answer
451
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Wiring of laptop 3-prong power supply (US vs UK)
I have a laptop power supply that comes with a US 3-prong plug, connected to the PS through a 3 circle female connector. I want to change its plug from US 3-prong to UK 3-prong.
But, if I am not ...
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Disconnected wire still lit Tester turns on
I have multiple wires going through an electrical PVC conduit.
Two phase wire carrying 220v AC of 1.5mm gauge.
Two neutral wire carrying of 1.5 mm gauge.
One wire for earthing (grounding) of 1 mm ...
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2
answers
441
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How to use panel-mount connectors where the nut goes on the inside of the panel
Some panel-mount controls have the nut on the outside of the panel, like this:
Other panel-mount controls have the nut on the inside of the panel, like this:
With the nut on the outside, I first ...
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7
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How to convert European 230V circuit to US standard 120V circuit?
Suppose I have a house in Europe. The house is of course wired with 230V, which means it won't work directly with US plugs.
If I acquired US outlets, how would I convert a single European 230V circuit ...
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3
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398
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Servo motor long connection wire
I'm working on a mechanical device that uses three DSM44 servos, two FEETECH Mini Servo FT1117M, one JX PDI-6208MG Metal Gear Digital Servo, and one DS04-NFC 360 Degree Continuous Rotation Micro ...
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166
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wire rotary switch with leds that turn one at a time
I have a 9V battery, a rotary switch (one pole, 5 positions), and yellow LEDs (2V drop). How can I wire it so that as I rotate the switch the LEDs turn and stay on until I reach the end of the switch?
...
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Mystery small, electric motor: shaft held stationary while motor spins around it
I want to wire this motor to a 3-pin plug. The colors are not standard. Which of these wires is neutral, active and earth.
It would be of interest to know what this kind of motor is called?
I was ...
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2k
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Wire Size for 400AH (2 @ 200ah) battery bank with 4000w inverter?
I have 2 12v 200AH Renogy batteries I’d like to create a 12v 400ah battery bank from.
I am trying to figure out what gauge of wire to use for connecting these batteries together in parallel.
My ...
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1
answer
119
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How can i reverse the direction of this dc motor easily?
How can I easily reverse the spinning direction of the left motor? Thanks
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1
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215
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How do I wire a seven segment LED display to display binary input from two buttons?
I've been tasked with implementing a circuit involving a seven segment LED display and two switches/buttons. One will inject '1' and the other injects '0' into the circuit, and every four inputs a ...
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What is the bare minimum number of pins needed to connect to an ILI9488 TFT in order to turn on the LED backlight?
I've bought one of these 3.5" TFT panels: and an accompanying 40-pin FPC-to-header adapter so that I can plug it into a breadboard (specifically, "ILI9488 no touch").
I've got a project ...
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400
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USB 1 to 2 switch wiring
I have 1 USB hub with mouse and keyboard connected and I'd like to build a switch to be able to switch this hub between 2 PCs. I have a 3-position toggle switch with only 2 contact pairs, so I can ...
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1
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175
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What's wrong with my wire connections? (LED strips only getting ~1 V)
I'm trying to make an LED strip work, with these parts:
A WS2812B LED strip (60 LEDs/m), 5V
An Alitov 5V 15A power supply
An Arduino Nano
My issue is that the strip isn't getting the 5v it requires. ...
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2
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187
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Help me to understand the outputs of this generator
This is taken from a Denyo TLW-300SSk generator. It is outputting U V W to 0 a 115V.
Is this capable of outputting 220V as well? If so, do I have to couple two phases?
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What would this be called and where can I learn more?
So I have a fair amount of experience programming and was thinking hey why not try and write a new controller for my motorcycle (I know, a bold idea) and if not that, at least redo the old wiring. The ...
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2
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189
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220 volt, three phase issue
My company had a machine moved from one facility to another.
The machine was fully operational when it was disconnected. It operates on 220V three phase power.
When powered up at the new facility the ...
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