Questions tagged [wiring]
How wires connect to terminals and to each other; coloring and organization schemes; appropriate wire selection and installation techniques
1,027
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Ethernet over individual wires
I am doing the integration of an aircraft device that uses Ethernet 100BASE-T as its main communication line. The manual says the device comes with its own testing cable which is approximately 2 feet ...
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Female wires to connect 12V ECU to power supply?
I have extracted the ECU (engine control module) from car, however, this module has 3 pins that needs power input of 12V. Arduino jumper wires will not work as they won't withstand the current I need ...
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Continuity test isn't working on a ribbon wiring harness
I have extracted this wiring harness from the valve body of the transmission. But when I did a continuity test with a multimeter to diagnose if there was any problem with the wires, there was no ...
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2
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Wiring button cell without soldering using household material?
I bought some hearing aid button cells for pennies. I want to use them in a toy project that connects a push button switch and an LED. I hook up the LED and switch using alligator clips without ...
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Before build: Will this circuit work, or have I overlooked something?
Some friends and I have given ourselves the goal of building a unidirectional speaker. We bought the necessary components and electronic parts.
Before starting to connect everything we wanted an ...
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1
answer
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What type of wire would be "best practice" for extending stepper motor leads?
I've been using unshielded "communication and security system cable" (https://www.mcmaster.com/8280T32-8280T321/) for running cable to connect stepper motors to motor controllers. I haven't ...
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2
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What wire should I use to carry 12 V, 2 A power?
I am working on wiring a 12 V, 2 A power supply to a DC linear actuator (both linked below), but I do not know what wire to use. Will 22 gauge wire work, or is there a different gauge or type to fit ...
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3
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Extra pin for shielding with CAN bus connector
I am presently using a 4 wire bus for CAN (CANH,CANL,PWR,GND). This is used all across the design for various boards. Now the cable needs to be shielded.
Would this imply using 5 pin connectors and ...
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3
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M8 connectors and their coding
A quick read on the internet shows that M8 connectors are coded.
The little info online I can find says A-coded is the most common style, typically used for sensors and actuators. B-coded is is mostly ...
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1
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A/C voltage in the air? [closed]
I've been building a counter top dishwasher and just noticed that my sink is kind of grounded, around 30Megaohms resistance but 120V.
While checking that I also noticed the air near metal in my ...
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How hot does an electrical house wire normally get?
From a theoretical point of view, how hot does an electrical wire in a house get in normal use?
To be more specific, in the United States, there are two usual residential circuits, 20 amp circuits ...
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Why is this 3-way speaker wired this way?
I found a service manual of a pair of 3-way speakers that were part of a mini integrated stereo system. These are Sony SS-H77 speakers, which have served me very well back in the day.
Looking at the ...
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2
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Automotive Relay
In this diagram it shows the power going to a relay (229) I was wondering if anyone could explain to me in simple English (I don't know much about electrics) what the symbols mean to left of J314 ...
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2
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Combining two speaker channels (left + and -, right + and -) into a TRS style cable (left, right, common/ground)
I'm currently building a portable stereo speaker and have run into some issues.
The speaker is based on a set of broken Jabra Move headphones (used as bluetooth receiver) and a XH-A232 amplifier board....
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Wires on an AC variable frequency motor
I have sourced an AC variable frequency motor, it came from some sort of excercise equipment.
I would like to find out if it runs, but the wires puzzle me. The wires are:
Black
Red
Yellow
Yellow/...
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1
answer
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I Need Help Making a Weird Custom Flashlight
As said in the title, I am trying to make a homemade flashlight. I have no experience when it comes to electrical engineering and I have a very basic understanding of this stuff. What I am trying to ...
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What are the effects of small spark gaps on connectors?
I was reading about the '4th Pin' problem that effects almost all modern iPhone users. It is where the 4th pin on the lightning connector turn black and eventually will not work until it is scraped or ...
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How do I wire a single phase 220v motor with a start capacitor AND a run capacitor, in ADDITION to start windings AND run windings?
I speak your language, as I am a 12 year veteran control tech for a boiler company. I'm doing a favor for a friend and ran into this issue. Ive wired plenty of single phase motors with start and run ...
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I'm going to wire 2 batteries together into a circuit but one has 3 wires and the other has 2 wires how can I make this work?
I have a battery in a circuit I want to add another battery which is the same voltage and amps but 2 wires can I just connect the positives and negatives and leave the white in the circuit?
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Removing wires / connectors on dishwasher circuit board
I need to remove a circuit board to send for repair, but I’m not sure how to remove these wires? I notice there’s two silver objects in two of the holes, not sure if they’re clamps or fasteners. I’ll ...
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TRRS 3.5mm audio jack wiring to sim868
I want to connect a 3.5mm trrs audio connector to sim868.
The image above is my connector.
But sim868 has four pins as:
1- MIC +
2- MIC -
3- SPK-N
4- SPK-P
As shown in the picture above, the pins of ...
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Quick Disconnects / Connectors for 24VAC Power - Project Box
I have a small project in which I will be using 24VAC power that runs through float switches to operate relays (listed below). The 24VAC will also be used to control a small motorized ball valve (...
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2
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Wiring a 4 pins slide switch
I want to know how can i wire this toggle switch to obtain 3 positions :
Position 1 : Turn Off System
Position 2 : Turn On System
Position 3 : Write "High" On a microcontroller (ATtiny84)
...
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Are induction stoves considered inductive loads?
I know a washing machine and a coffee grinder are considered inductive loads so when doing math for wiring you would multiply wattage by 2x to be on the safe side. Just one plate of my inductive stove,...
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3
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Cable selection and wiring for RS485 communication
I'm designing a sensor system where each sensor communicates via RS485 MODBUS in a high-density environment. Each line consists of 18 sensors which then goes to a gateway (Elfin EE11) that converts ...
2
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2
answers
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Splitting humbucking pickup coils with a balance pot?
Is it possible to use a balance potentiometer to blend/split the coils of a humbucking pickup on an electric guitar?
A humbucking pickup is (basically) just two single-coil pickups placed close ...
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1
answer
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How to use a transistor to externally trigger a Canon EOS camera?
I need to trigger a Cannon EOS 650D camera externally, this is done by shorting 2 wires, leading out from a standard 2.5mm jack:
The camera provides 3.3V. I want to complete the circuit and ...
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1
answer
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Wiring a USB 2.0 Type-C receptacle so that both orientations work
I'm trying to wire a USB Type C receptacle just for USB 2.0. If I wire A1(GND), A6(D+), A7(D-) and A9(VCC), this works, but only for one orientation (as expected). If I use the B-side data pins, that ...
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How to wire a single input for two separate chargers e-bike
I'm currently designing my own e-moped for university (named ‘enduro 器’); I am currently going through the wiring and I am in need of some assistance.
(refer to the image above) I want to be able to ...
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Wiring a transformer's coils together?
just a couple quick questions. My goal is to make a powerful inductor and I was wondering if it is possible to this by connecting the primary and secondary windings of a microwave transformer in ...
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3
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Induction Motor Wire Size
Capacitor Run Single Phase Induction Motor have very high starting currents, possibly in the order of 35-40 Amps upon startup for a 1 hp device, whereas the nominal current usually lies in the order ...
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What's wrong with this cable?
I have a circuit with an RTC (DS1307) and an LCD display, both connected to an I2C bus. Because the RTC requires a 5V level (the RTC breakout I use has built-in pullups) I also use a level shifter.
...
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What are those weird wires in the audio cables?
Trying to repair a headset cable, I discovered that it doesn't look at all like the “ordinary” cables I used to repair. I was expecting to see, inside the cable jacket, four wires, each one in a wire ...
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2
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Wiring 3 50w LED Chips Off a 12v Battery
I have 3 of the following chips: 50w, 12v chips (https://www.amazon.com/gp/aw/d/B081QBC9MZ?ref=ppx_pt2_mob_b_prod_image) with the following specs:
Features & details
Current: 3750mA
Voltage: DC12-...
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Update very old, very low voltage (10V) Nutone doorbell system to new 16V chime
I have a Ring video doorbell that is connected and functioning to the old doorbell wires, which I measured at 16V.
I also have a old Nutone Scoville 10 V, 5 VA transformer tucked in a very hard to ...
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1
answer
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Adding Push-To-Talk (PTT) / Mute to 3-pin XLR Cable
Is it possible to add PTT/Mute to a 3-pin standard terminating XLR cable (with +48V phantom power)?
In my case, I have found myself with a Astatic 40-119 microphone base with a PTT switch that "...
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1
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What is the best cable for a 3d printer wire bundle?
I am connectorizing my Ender 3's hot end through a 15-pin D-sub connector, so I can swap in an E3D hotend much more easily. I have previously done this with another printer, but I am updating my ...
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cigarette lighter power plug; how to wire?
The part
https://www.digikey.com/en/products/detail/mpd-memory-protection-devices/ZA1030/2439603?s=N4IgTCBcDaIF4EMCMAGAzCgtAOwCYgF0BfIA
and the drawing
https://www.memoryprotectiondevices.com/...
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I don’t know what smart thermostat to use with my high voltage [closed]
I think I have 120v but not 100% sure, I don’t know what the wires do. I live in a condo with water cooling/heating furnace. Can someone help explain what the wiring means. Because I do not have a ...
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1
answer
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Can it be safe to break both power and ground in a switch?
I have a setup with a bunch of synthesizers and guitar pedals wired together with audio cables. I'm also powering the guitar pedals all with the same multi-plug 9V adapter. Since some of the pedals ...
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1
answer
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Can someone tell me how i make the MACH3 software to communicate with this board?
I have a project to do in which I will need to use this board to move one of the axis of a machine.
But I can't find the datasheet for that board.
It serial number appears to be HW-3561224.
Besides, ...
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Nema 17 stepper external wiring
I've been trying to connect a 2+ meter wire to a nema 17 motor. Usually the motors I buy come with a 1m cable, which is too short for this application. The Nema17 needs a 4 wire connection. So I ...
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Why are two of the wires in my ignition switch showing reversed continuity? [closed]
My motorcycle manual indicates that when the ignition switch is in the ON position, continuity should exist between the red and brown wires (which it does) and also between the black and black/white ...
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2
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Just chopped two USB cables,but one of them looks unusual
I just chopped two USB cables but one of them has three white cables and one grey. The other wire has normal colouring of:-Black, Green, White, Red
First wire:
White
White(has single orangestrand)
...
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1
answer
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Help wiring a pic processor to a FTD chip
I have been trying to wire a PIC18f4620 to a FTD1232 using the MLCR reset. Below is my circuit. When I hit the reset, the short causes the processor and the FTD to lose power and I am unable to ...
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2
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Is it safe to wire a telephone to a breadboard?
I am trying to connect a hardwired 2554 telephone set. There's only a few inches of slack wire coming out of the phone since it appears it was just cut there. I managed to get about half an inch of ...
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How to wire a phocos any-grid inverter 220 v 60 HZ with two wires to a water pump 220 with 3 wires (split 220 v)
How to wire a phocos any-grid inverter 220 v 60 HZ with two wires (European style) with one hot wire 220 v and another ground, to a water pump 220 v with 3 wires (split 220 v, two 110 v hot wires and ...
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In an AC supply why does two single phase 110V wires connected to hot and neutral produces 220V
I have seen people connect 110V to the hot end and 110V to the neutral end of the socket to give a 220V to appliances like refrigerators.
My understanding is that current flows, whenever there is a ...
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1
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5 wire universal motor wiring for DC
I have a dual voltage 115/230v universal motor, which I need assistance connecting to DC power.
The model is a Model D671B FASCO 1/15 hp 1550 RPM 115/208-230V with Industry number 1231.GE.
The motor ...
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answer
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Vehicle wiring diagram - interpreting symbols compared to actual physical devices
I am going thru my bike's schematic/wiring diagram and going wire by wire I think I'm starting to understand how it works from turning the key onward. But some things are still confusing so perhaps ...