Questions tagged [wiring]
How wires connect to terminals and to each other; coloring and organization schemes; appropriate wire selection and installation techniques
1,114 questions
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Design rules for in-case strain relief clip placement
I have a project that I am designing a plastic enclosure for. (While the prototypes will be most likely 3D printed through a vendor, I am baking injection molding DFM into the design so that I don't ...
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Blue and red (brown?) wires on ceiling light [closed]
(Hoping this is the right forum--if not, feel free to re-direct me!)
I'm installing a chandelier light in the US; it's just on-off, not a 3-way. The light comes with an LED bulb, and the wires are 16 ...
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How can I mark PTFE wires used at high temperatures under vacuum?
In our cryostat and high temperature (~200--250°C) setups, I use PTFE-insulated wires (compared to PVC it can take higher temperatures and outgasses less). In sensible quantities the range of colours ...
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I want to use a DPDT switch to supply power to an electrical heater and also to my welder using one 30amp 2 pole breaker. How do I wire the switch [closed]
I want to use a DPDT switch to power an electric heater and then switch to power my welder when needed using the same 2 pole 30 amp breaker. The power must go to the switch first correct and then ...
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Is this a proper way of grounding a device?
I’m wondering if I can use an unused ground terminal from another device. Is this way correct as in the drawing of my lighting setup?
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The best design I could think up uses 2 PWM lines and a ground, how does this device do it with only 2 wires?
I have some strings of Christmas lights with various modes of operation, selectable at the control box. One mode lights up blue and green lights which, after a while, fades all the way out and then ...
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Does voltage rating of wires matter if I only intend to pass a very small amount of current?
I have spools of wires rated for 60 V from the manufacturer. But my application requires 150 V for safety but I am only powering some 4-20 mA sensors with it. The wires are 16 AWG. Can I use these for ...
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What do the dashed lines between the contacts mean? What does ON & OFF mean here?
Here I've shown 2 selector switch symbols almost having same symbol (but different purpose, I know that.) I have 2 questions.
What do ON (dashed lines)and OFF (solid lines) indicate?
Why there are ...
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How to rewire this dual-voltage AC motor?
I have a saw from an estate sale that has a 240V plug on it, but my shop doesn't have 240. Only 120. I have a 120V 20A plug, the outlet is indeed rated for 20A with 12AWG wire and a 20A breaker, and ...
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How to connect a switching power supply to a converter with 2 inputs and a BMS?
I am building a circuit for an EV with a capacitor and need help connecting the switching power supply with the BMS and converter (The highlighted part). The switching power supply needs to be ...
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SPDT Slider Switch Wiring, 1P3T 4 Pins No Common Pin
I am trying to figure out how to wire 4 pins 3 positions SPDT switch. Switch has no common pin and I am trying to connect 3 resistor voltage dividers to switch for giving feedback to buck converter.
...
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Blue Wire in USB OTG
I am trying to make a otg usb cable. I have researched the issue and have seen how to wire cords with four wires. But the usb c cable that I have has wires. Red,white, green, blue, black. Plus, ...
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Is 2W10 bridge rectifier required in wiring harness for my utility vehicle (DC DC supply)?
I am a civil engineer by profession but always have done my electrical wiring in my utility vehicle and all has been working good.
Okay so I got this wiring harness for 7" driving light and and ...
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Cannot figure out wiring for CamJam EduKit 3 with Pico WH
I am trying to build this kit using a Pico WH instead of a regular Pi but cannot get the wiring correct at all. I found the pin layout for the motor controller board but I am not sure if I am using ...
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Active pickup Guitar Wiring
So I have a guitar with EMG active pickups powered by a 9 V battery. I've been using two 23ae batteries outputting 24 V with it, but I want the ability to switch between 9 V and 24 V without taking ...
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Soldering iron melts solder on direct contact but not when trying to solder two wires
This is my first "big boy" attempt at soldering.
I'm trying to solder two relatively thin DC wires. Everything I got is cheap from AliExpress. Soldering iron is a 80W simple piece that came ...
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LVDS 30 pin cable matching
I have an LCD screen with a 30 pin LVDS connector. I have attached a table with the correct pin assignments, however I am unsure of how to match up the cables. LCD model: G150XVN01
There are only 24 ...
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Surge Protection Device installation and MCB [closed]
On LSP's website there's this wiring diagram for a single-phase surge protector in a sub-distribution box (Type 2). The SPD is the gray device:
Could someone explain the purpose of the MCB inside the ...
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Passing an AC voltage to a set of copper pipes (Paul trap)
I and a few other students at my university are constructing a linear ion trap as a summer project. It'll be used for outreach and science demonstrations, so the charged particles we'll be trapping ...
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How does this 230/400 V induction hob draw current? [closed]
The instructions that came with a new Electrolux EIS62441 induction hob didn't specify any recommended breaker sizes or supply cable cross section requirements. The hob comes with more than 1 m of ...
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How can I make an adapter wiring for a TRRS microphone to TRS?
I'm making a sound level meter using a Raspberry Pi as part of my thesis. My professor has given me a TRRS microphone to work with.
I tried to make the TRRS microphone work with the Raspberry Pi ...
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I'm trying to wire this motor I have, but I'm not sure how to read this diagram
This motor is 110V or 220V. I'm trying to wire it up for 110 but I'm not 100% sure how. Is low std 110V and high 220V?
I believe I need to connect 1,3,8 to hot and 2,4,5 to neutral and ground to the ...
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rotary phase converter
I'm having issues with a 10 hp motor for a rotary phase converter. There were no labels on the motor wires, so I had to use this VIDEO to help me identify them, assuming that is the correct winding ...
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What is this symbol? I found this on the panel of a circuit breaker setup?
I found this symbol in a wiring diagram on an old distribution panel door. What does that cross line on the wire means?
Is it a wire tap on the line?
Certainly, the diagram used the sine wave symbol ...
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Trying to T-tap wires of different gauges. Do these t-connectors even exist?
I am new to wiring and need help with a new project.
I have a big box. On two sides of the box are 40 LED light strips; each light strip with a positive and negative wire. Theres a total of 80 LED ...
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Ring Video Doorbell / ghost rings with 16 VAC solenoid chimes [closed]
I have:
Ring Video Doorbell
(x4) solenoid chime operating on 16 VAC
The chime is a pre-2000's analog device. Presumably it uses an analog circuit to ring the solenoids in a pattern to make a ...
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Power Supply Double Output +12 V -12 V
I’m checking this power supply.
But it works to supply the diagram I attach?
The situation is because I see in the diagram is required -12 V and +12 V, then I don’t know exactly: if what I need is ...
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Best way to get 80 wires down to 1? Is it even possible? [closed]
I'm new to working with power supplies but I'm planning on using two switching 24 V/40 A/960 W power supplies connected parallel. This power needs to connect to around 160 wires, 80 on each side of a ...
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Is there "polarity" with a G10q lamp base?
I'm replacing an FC8-T9 fluorescent bulb with a new bypass LED bulb. I found instructions which say to remove the ballast and connect the black wires on the G10q connector to the line (black) and the ...
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How to replace microjack on stereo earplugs with microphone [closed]
I broke a microjack connector. It is attached to a set of stereo earplugs with built in microphone. I know how to solder, but I am not sure how to find the correct replacement plug and how to identify ...
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How to determine whether an FPC cable or connector is 1.25mm or 1.27mm pitch?
I'm building an LCD display test harness on a perf board. I'm looking for a solution for connecting an 14 pin FPC/FFC cable to a 2.54mm perf board. Unfortunately, even with a digital caliper, it's ...
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Building a DIY BGA Rework Machine
simulate this circuit – Schematic created using CircuitLab
I am trying to build a DIY BGA reflow machine. I have a very crude schematic, but the idea is run each of the 6 heating elements in ...
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Can someone help me with a LED light fixture puzzlement? [closed]
I have been buying and using LED bulbs from the Dollar Tree for many years.
I have never had an issue with them in the past. Just the occasional burn out in my home office fixture because it stays on ...
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making a long lasting battery pack for 24V/0.5A
I brought a stereo equipment from Japan that uses a wall-wart set at 24V/0.5A.
I would like to replace the PS with a long-lasting battery pack, but all I can find are 12V/5A batteries, or 24V/5A. I do ...
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Cable type selection for 128 channel signal transfer [closed]
I want to use a cable to be connected (soldered) to my PCB, my PCB has 128 pads on it as follows:
The signal that will be transfer to cable is @3 MHz to 6 MHZ, in range of 150 uA.
The width of the ...
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A question about a possible electrical wring terminal/component
In an enclosure I have to wire several modules such as relays power supplies, PCB modules ect. But it gets messy with wirings especially if a part requires many connections at its screw terminals and ...
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Wiring AC 5 Wire Motor with 4 Phases to Run at Max
I'm trying to hardwire a fan motor to always run on max. Currently, it has a circuit board that allows you to adjust the speeds and requires a bit of fiddling to turn on and set the speed when the fan ...
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Does connecting the ground of a power source to the neutral of the lamp cause a short circuit?
Does connecting the ground of a power source to the neutral of the lamp cause a short circuit?
In other words, would either of the connections below cause a short circuit?
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How do I properly wire an SL-510-SS pyrgeometer to measure its internal thermistor resistance?
I've acquired an SL-510-SS pyrgeometer and am having trouble wiring the internal thermistor.
The manual gives the following description:
The manual also provides the following diagram:
I've ...
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TRS headphone jack wiring
Summary:
I have an in-ear-headphone that I am trying to replace the TRS jack for. I have tried soldering the wires to a jack a couple of times with the same no-good result. The left speaker doesn't ...
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Wiring two TRS sockets to accept either one TRS cable or two TS cables inserted
I am looking to modify the input of a small stereo amplifier with a TRS input jack to have two TRS input jacks instead.
I want it to handle the following two scenarios.
Scenario 1.
Two TS plugs are ...
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Running 2 small cartridge heater and 2 Solid State Relay (SSR) with 1 PID Controller
I wanted to run a heating setup that processes optical fiber for tapering and making couplers (I am in photonics). I aim to reach 810C of temperature, whereas I am getting only 780C. Currently I use:
...
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PCB usb powered - led and screen wiring + review schematic
I'm currently designing a PCB featuring an STM32F103CBT6 MCU. The PCB will host five different groups of WS2812B LEDs, multiplexed 22 pushbuttons, 4 rotary encoders, and additionally, a VoCore 5" ...
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Individually Addressable LED overheated
Update (19.3.24)
I checked the LED string with a multimeter. The + and - wire of the burned LEDs are connected, whereas the new LEDs do not have a connection between the + and - wires.
I checked the ...
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Dealing with IEC and NEC wiring color code in the same equipment
I am dealing with IEC and NEC standards for wiring color codes.
For the first time, I have to integrate european (and UL certified) COTS products - power supplies - into a system for the US market. ...
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WS2812 LED Pixel Ring 26 AWG JST
I am building a small kitchen for my child. For the hot plate I bought eight ws2812 led pixel rings: four with 8 leds and four with 16 leds. I soldered each two rings together so I have four double ...
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Why are there two wires connected to each terminal of the RS485 port in energy meters
I want to connect the energy meters of our clients to a gateway so that the gateway can communicate with the meters using Modbus. I have visited several electrical rooms that have gateways installed ...
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Wiring multiple photoelectric sensors to RPI 4
I am relatively new to using Raspberry Pis and wiring sensors. I am trying to wire the PM-U25 photoelectric sensor to a Raspberry Pi 4 to act as an optical resolver that tracks a shutter wheel on a ...
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How do I wire a permanent magnet synchronous motor?
I salvaged this motor from a washing machine with a view to using it to power a bench sander in my workshop.
There are three wires red,white and blue in addition to the green/yellow ground wire.
Given ...
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2
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Need help with AC relay wiring
Got the following relay Taiss/AC 220V (YJ2N-LY AC 220V)
A picture and a wiring diagram are below.
Given:
AC 230v constant L input
AC 230v signal L input
N input
,
How should I wire the relay to get ...
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