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Questions tagged [wiring]

How wires connect to terminals and to each other; coloring and organization schemes; appropriate wire selection and installation techniques

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27 views

What are suggestions for designing a circular electromagnetic accelerator? [on hold]

I am currently planning to build a circular electromagnetic accelerator, think a particle accelerator that is accelerating a macro-sized projectile instead of an elementary particle. My current ...
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0answers
14 views

Wiring video inputs for the Microvision Showwx+ projector

I have been given a Microvision Showwx+ projector which I would like to hook up to a video source. Mine only came with the Dock connector, so it will not work with any modern video outputs. I know ...
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0answers
6 views

Need help wiring low beam and high beam headlights [migrated]

New aftermarket headlights on my daughter's truck have separate lights for low and high beams. I would like to wire them together so the low beam will still work independently, but they both will come ...
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2answers
44 views

Common 6-wire sockets/connectors

I'm currently playing around with some load cells in a wheatstone bridge - each cell has 3 wires (sub-1mm thickness). I want to mount these cells onto 2 separate pieces that can be spaced apart to ...
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1answer
19 views

Implementing led lighting with SR-ZG9101FA-RGBW

So I have this device: SR-ZG9101FA-RGBW I'm trying to properly connect it, but so far I'm having issues such as being unable to detect device in philips hue app and only two color channels are being ...
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1answer
37 views

J1939 Wiring Considerations [closed]

I am new to the forum and hope you could put me in the right direction. When designing a J1939 harness what is the physical layer constraints, if multiple ECU's need to be connected? Is there any ...
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2answers
53 views

Proximity of Insulated Wire

I want to sell an electrical product with an earthed, metallic enclosure for commercial use in Europe. The wiring inside the product is pretty tight. Are there any laws that prevent me from having ...
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0answers
29 views

Electronic Ballast Assistance

Please see attached image of wiring diagram. The isolator, MCB and contactor are installed upside down in a control panel. If I modify these components and install them correctly (although wiring ...
0
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1answer
48 views

how to wire BC547 LED flashing circuit in EAGLE?

I'm studying electronics and I'm trying to grasp the usage of EAGLE. I got an assignment where I must first make this schematic and then wire it on a 3cm x 3cm board. There is a condition where the ...
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2answers
90 views

electronically efficient breadboard wiring

I have checked stachexhange for my answer, but no luck. I hope I can be helped here. I am building ben eater's 8-bit, and have a general question about wiring: Is it better (less impedance/resistance)...
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1answer
58 views

How to wiring up single phase induction motor?

I bought single phase induction motor with two capacitors, but I do not know how to read this wiring diagram on this motor. [
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1answer
63 views

Transformer mains identification

A friend gave me a transformer from an APC UPS that supposedly was capable of \$1300 VA\$ (I have my doubts, but it is very large and I am not going to be using nearly so much power, so OK). He doesn'...
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1answer
21 views

Definition of Field Wiring Terminals as in UL 499

I'm wondering if anyone can tell me where I can find the definition for "field wiring terminals" as referenced in UL 499 "Standard for Safety Electric Heating Appliances" table 27.1 "Minimum ...
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1answer
75 views

Wiring colour code/law on universal power supply

Is it legal to use brown and blue for live and neutral wires in equipment sold in the USA, which uses 110v? I was looking at a teardown of an ATX power supply and one of the photos (see below) showed ...
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2answers
43 views

I2C Put One Termination Res at the End or on Each Slave Board

I Have a system with I2C bus wired just like this: My questions is which one is better: put the termination pull up res at the end of connection (on the last board), or put pull up res on each slave ...
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1answer
23 views

Can I simply add a 240V Neutral to SONOFF TH10 when replacing wall thermostat

So, I have purchased a SONOFF TH10 wanting to use it to replace my wall mounted thermostat. The thermostat has 2 connections: Always-Live and Switched-Live (which is activated of course by the ...
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1answer
32 views

Mixing wire gauge questions

I am putting a 50W 3.4A max 12V solar panel on my camper van. I want the option of removing it from my roof racks & mounting it remotely (so I can park in shade, but still have the panel in the ...
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2answers
102 views

Ground, common, and Earth ground confusion

I am learning on transmitters and input modules nowadays. But the usage of word 'ground' is confusing me. What does 'ground' mean there (earth or power supply common)? If it is earth ground, why we ...
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2answers
110 views

Foodsafe wire splices for a toaster?

In working on a toaster project, We've started by tearing up an old toaster to recover the nichrome heating wire and mica sheets. But I'm uncertain how to re-create the wire joins. In the original, ...
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2answers
89 views

Several Questions About Analog Input

I am new in the automation industry, and now I am focusing on learning how to wire correctly analog inputs in detail, since last time I tried I damaged the module input because of wrong wiring. Here ...
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2answers
65 views

Can I combine and re-split 2 coaxial cables for 2 signals in my home? [closed]

I have an existing coaxial cable running to my modem through the wall outside from my ISP. I bought an external digital antenna that I'd also like to run outside, but I don't want to drill a second ...
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1answer
64 views

Problem with SPI wiring?

Searching for images of SPI wiring between Master and Slaves, I found that some of them connect MOSI/SDI of master to MOSI/SDI of slaves and so MISO/SDO of master with MISO/SDO of slaves, meanwhile ...
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1answer
49 views

How do I add a bipolar stepper motor to this circuit? [closed]

I have just started electronics at school and cannot find any tutorials on how to do this. I am creating a circuit that when the light intensity increases a bipolar stepper motor will step clockwise ...
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1answer
27 views

Computing wiring current, temperature & cross sections

How do you compute that when say 115A of current passes through an AWG 3. The temperature is 90 degree Celsius? At what ambient temperature is this computed, and air movement quality? In the Ampacity ...
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1answer
68 views

Comprehending wiring data sheet for ME3 C2H4 gas sensor

I am humbly requesting an English translation of this image. The only thing I figured out is that the box on the top left is the ME3 sensor I am trying to connect to an Arduino. It has three pins, as ...
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1answer
60 views

Trying to wire in LED to show cooker element is on/off

Hi I'm a mechanical engineer so please bear with me. I'm trying to wire in an LED to show whether a cooker element is on or off. Looking at the diagrams below, the easiest way to do this would be to ...
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3answers
123 views

I have 3.1V LED 20mA and wire 20 or more [closed]

How you calculate how much Volt battery you need? Like: 20 x 3.1V = 62V ....or is it something else? I want to wire them in series manner.
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2answers
42 views

What's the use of the 4 outputs of a power entry module (Qualtek 864-10/009), and how to interpret it's circuit digram?

Main question: What is the purpose of having 4 outputs? If I only had pins 1 & 4, I would be able to use 115VAC when it's set to 115VAC, and 240 VAC when it's set to 240VAC. For 240VAC setting:...
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2answers
78 views

long lasting wiring of many ds18b20 sensors

I'm laying down a number of temp sensors to the air exchange machine with heat pump. Temps there wary from -35 to +70 celsius. I may like to change/relayout components in the machine, therefore need ...
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3answers
71 views

Are there any traditional colours to use for the wiring in a 4 mA - 20 mA current loop?

I am designing a cable that carries a 4 - 20 mA current loop. Considerations: The positive lead is connected to VCC. The negative lead is connected to a 120 Ω resistor (other end of the resistor is ...
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3answers
268 views

How to connect this 3 wire AC motor?

I have this NEW heat recovery unit from Amazon (shady quality, branded as made in UK but actually made in China) with this motor inside. It was supposed to have two speeds (Low/Hi). Question: How ...
2
votes
1answer
100 views

Which pin of USB-C to use for analog signal?

I am working on a project which connects a microcontroller to an IR sensor device and decided to use a male-male USB C since I need 5 lines (V,GND,SCL,SDA,ADC). Which pin should I use for my single-...
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2answers
88 views

Does MicroUSB B have 5 seperate lines?

I am working on a project that requires a 5 pin connector but it seems like the USB cable is causing some issues. I am using a microUSB B male-male cord to transfer some power and data. Through ...
2
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2answers
92 views

What is the best/safest way to wire a 200V fan in the USA, using 120v or 240v? [closed]

I bought a surplus fan/HEPA filter unit for using in a clean room. The wiring diagram is here. I want to connect it to a power cord and plug it into the wall. I know basic electric, but I'm not sure ...
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0answers
62 views

White cable with a Black Stripe and tons of unknowns [duplicate]

Currently installing a replacement power supply for my old 24V LED Strip lights in the kitchen. Almost got it fully connected, but on the DC end I hit a snag: I made a small error in my wiring ...
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1answer
81 views

USB C connector design and resistor placement for USB 2.0 data cable

I have a follow-up question to this one. I have a type C connector with 8 pins. No spec, type C female counterpart reveals G, Vcc, A2, A3, A6, A7. Remaining two pins do not respond to anything. G-Vcc ...
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2answers
166 views

(When) Can I use Cat5e wiring to carry a POTS signal to a DSL modem?

According to this answer by @asndre, It is very bad idea to use Cat5e-based wiring/cabling to establish a xDSL connection. However, my telephone/internet provider technician recommended -- and ...
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1answer
110 views

A beginner that could use a few tips on wiring my first circuit involving relays

I am in no way experienced or knowledgeable with circuits or electronics passed installing my own car subwoofers and amps, or swapping out pickups on a guitar which means I only basically know how to ...
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0answers
77 views

Boat wiring mystery puzzle

First post, please forgive any errors. Our dear father passed away leaving us his boat. The owner before had made some changes to the wiring (not for the better) leaving a tangle of loose ends and ...
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0answers
34 views

Creating a TRRS cable that route the audio from the Left channel to the microphone

So I have an audio interface that output audio via TRS socket what I want to do is to use my iPhone to record the audio coming out from the audio interface. What I tried is to create a custom cable. ...
0
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6answers
181 views

How do I set my speakers out of phase?

A little bit of context: I'm doing a project for my physics class where I could choose the topic, and I chose to do phases in sound and noise cancellation (wavelengths and frequencies). Essentially, ...
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0answers
57 views

Bistable and astable 555 IC interfere with each other

I am currently toying around with electronics and read Make:Electronics which is a very fun book. In one experiment (19) I came to a deviation in behaviour of my circuit compared to the expected ...
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0answers
496 views

Wiring DIN connector with 3 wire DC solenoid valve

im buying [smc VQZ 212 5YZ1 C6] 3 port solenoid valve with 2 possible position(let say A and B). This solenoid work with 24VDC and have 3 pin/ wire. There is No 1, No 2 and GND pin. I will never ...
3
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1answer
165 views

Speaker crossover wiring

Came across some old Arcam speakers (cut open) and using the parts to build a bluetooth speaker box. Only problem is I can't figure out the wiring on the crossover/filter. The original speakers are ...
1
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1answer
120 views

Which is positive? Green or black?

I tried cutting my old Gameboy Advance SP Charger wires out since the adaptor doesn't work anymore. I am planning to attach it on a USB cord to replace the adaptor. I have noticed that the wires aren'...
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5answers
17k views

What is the name of these little plastic things that protect wires from being cut into by the sharp edges of a drilled hole?

What is the name of these little plastic things that protect wires from being cut into by the sharp edges of a drilled hole?
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0answers
116 views

Correct way to do “power injection” from multiple DC supplies?

I'm using a PixLite controller to run a bunch of pixel LED strips. Since I'm sticking to 5V I need to use multiple power supplies (PSUs) to "inject" extra power for the number of LEDs I'm running. ...
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1answer
40 views

High AC voltage on Touch Sensitive Switch

I recently got a 120V/240V On/Off Touch Switch kit (ZIJIA P12-L56). They are a cheap way of adding Touch Lamp functionality to a standard lamp. It works great and I immediately started poking ...
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2answers
1k views

Ring around wire on diagram

If this is a repeated question, please let me know. I'm a hobbyist electronics person, and ran across symbols on a diagram I didn't recognize. I've attached the image below: What I'm trying to ...
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1answer
69 views

In a DC circuit, are there any reasons for wiring overcurrent protection such as fuse or pptc PHYSICALLY near the load?

In a DC circuit, are there any reasons for wiring overcurrent protection such as fuse, pptc, etc.... PHYSICALLY near the load(or inside it)? By wiring "physically near", I mean in the power wire going ...