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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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42 views

Fixing an old fan wiring

I picked up this old fan which is apparently not working. I don't know much about electrical engineering but I can solder and connect cables and wanna hope that the problem is small enough to allow me ...
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3answers
59 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
63 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 ...
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1answer
39 views

Will 7' of 20 of gauge wire work on the NO momentary PB switch as indicated in link? [closed]

I know this is a short question. https://www.cherokeetalk.com/forum/f64/xj-heat-soak-fix-simple-inexpensive-fan-off-time-delay-69801/ Wiring tomorrow, Thanks
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1answer
86 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
78 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
70 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
52 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
59 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
96 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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0answers
18 views

Electrical workaround for wiring a smart switch [migrated]

There's the following setup in my bedroom: I need to wire the WiFi Switch in the setup above so I made the following workaround: Basically I dimissed Light Bulb 2 in order to get the power line to ...
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1answer
81 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
72 views

How to deal with long distance I2C

I have 8 SRF02 ultrasonic rangers connected into I2C bus. They have to be integrated into a robot of dimensions 600mm x 800mm (for safety system purpose). I tested the setup on a breadboard with ...
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0answers
69 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
31 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. ...
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0answers
45 views

Switchback LED wiring for car

I have two types of turn signal switchback LED (white orange) that has three terminals each, one LED has one positive and two negative terminals and another LED has two positive and one negative ...
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0answers
22 views

Single line electrical wiring diagram to be in arc or perpendicular line shapes

For the single line electircal wiring layout of a residential building or any, which is the best standard used to represent. Like from a switch to a light, do we represent them with arcs or straight ...
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6answers
177 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
45 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
89 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
78 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
57 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
18 views

Clarke transformation for delta wiring

I find the transform to get alpha,beta and zero for Y wiring(image below), but didn`t find the transformation for delta wiring(Vab,Vbc,Vca). Someone know the tranformation for delta case?
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52 views

power connection from wire to board

I am building a small system: a custom PCB motherboard, holding custom PCB daughter boards populated with off-the-shelf parts, all powered with 12vdc and 30vdc switching power supplies (driven from ...
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0answers
77 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
32 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 ...
14
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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
53 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 ...
3
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2answers
91 views

Alternating 3 LED project

I am making a Halloween costume for my son and it needs some light. Basically he's a character from the Mario Bros universe that carries a traffic light on a fishing pole (Lakitu in Mario Kart). I am ...
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4answers
1k views

CAT5 for telephony

I wish to extend my incoming telephone connection using CAT5 as I've heard it could provide better performance than standard single stranded telephone wire over long distances. There are only two ...
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1answer
79 views

5V Step Up Converter Drops Voltage to 2.3 Volts when Connected to Device

Recently I combined two 18650 batteries in Parallel, and attached the output of the Paralleled 18650 batteries to a 5V Step UP Converter. Device draws 5V 4a. Here is a picture to the step up: ...
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1answer
79 views

Looking for resources for determining cable requirements for high wattage (MW) applications

I'm doing some personal research on the specifications for cables that can handle megawatt power draws. As an example, the wires needed to supply 450VAC @ 2000A (0.9MW). I'm looking for wire diameters ...
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1answer
46 views

What is the best battery configuration for a solar powered electric fence setup?

I have two solar panels: SunWize SW-85P; 85W max power, 5.1A, 16.7V. I have a charge controller: SOLAR BOOST 2000E. I have four 12V batteries: two Interstate SRM-24 (couple years old), two CarQuest ...
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3answers
135 views

Does a Crystal Radio coil require enameled wire or insulated turns?

When creating a coil for a Crystal Radio, why do I have to have insulated windings? Why does it matter if the individual turns touch each other? When it "shorts out" in this context, what does that ...
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2answers
154 views

How to get rectangular angles for point to point wiring on a protoboard

I'm intending to solder several protoboards in a few weeks when I get all my materials. I was wondering what is the best way to keep the rectangular angles (so it looks similar to the picture below, ...
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1answer
39 views

IEC 320 C8 wiring

I purchased this IEC 320 C8 AC socket switch for use in a power supply but I'm unable to find any sort of wiring diagram for it. Could someone please tell me which pin is which? It is not immediately ...
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2answers
67 views

Can someone confirm how to wire this air pump?

I am trying my first 'electronics' project, involving setting up a pond aerator pump. I purchased a Gast air pump, 86R123-101-N170X. However, it came just as it was assembled at the factory and does ...
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1answer
50 views

How to attach a clincher connector to a FSR

How do you attach an Amphenol FCI "clincher connector" to a thin film force sensitive resistor? I see several sites selling these connectors explicitly for making it easier to wire FSRs, but almost no ...
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2answers
128 views

Connecting Led in Series with Parallel Switches

I created a diagram for a circuit that i am trying to implement. I have attached my circuit diagram and have been trying to implement it but still have not got it to work. I've checked all the wiring ...
0
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1answer
44 views

How should I connect the windings of this induction motor to make it work?

I took this motor from an old washing machine and I'd like to make it work. The motor has the following specifications: Input voltage: 220 V 50 Hz Number of poles: 2/12 RPM: 420/2820 Rated power: 0....
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3answers
156 views

How to interface with micro LCD projector?

I disassembled a cheap "wall projection" clock: And removed the LCD board that displays the projected clock readout in front of the super bright red LED: As a small hobby project, I'd like to wire ...
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2answers
42 views

Having trouble with a frequency to voltage converter for universal frequency input

I'm having trouble with a frequency converter. The data sheet is given here. I set the converter for universal frequency input and voltage output. These can be configured by DIP switches. The diagram ...
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0answers
21 views

Confusion with interpreting the terminals and wiring of a protection module

I was planning to connect a SPD protection module for an AC-DC adapter(device to be protected) as follows: The protection module data sheet is here and below is its terminals: The module has two ...
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2answers
185 views

Wiring for a 12V AC relay module?

I'm currently trying to automate my intercom system. My overall aim is to have it so that I can both detect when the buzzer has been pressed and then also to have it so I can open the door. I am using ...
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0answers
21 views

3 switches, one lamp with existing wiring [duplicate]

I have an existing wiring with two switches for 1 lamp. How to add third independent switch without changing to much wiring inside walls (usual wiring [with the triple switch in the middle of ...
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1answer
75 views

Battery Pack Design: Charging Parallel 18650s Through a Step Up Converter and BMS

I taken the necessary precautions in creating my own custom battery pack: I bought two 18650s from the same shipment and will attach a diode from each positive end of the 18650s before attaching the ...
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0answers
28 views

Identifying terminal connector/wire crimp used for SNES controller

I am working on a DIY project to create my own SNES controller from scratch (standard SNES controller to plug into a standard SNES). However, I can't identify what wire crimp/terminal connector is ...
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2answers
131 views

How to jumper differential pair wires for USB 3.0 Superspeed?

Building a USB 2.0 speed cable is almost trivial. Simply connecting D+ and D- through any sort of wiring seems to allow full 480 MBps speeds. Now I want to jumper a USB-C connector to a USB3.0 Type-A ...
3
votes
1answer
234 views

How many wires can I safely fit into this screw terminal?

I have about 40 positive and 40 negative 18 gauge wires that I am trying to connect to one DC power source. I have a few terminal blocks to achieve this. Each terminal block has 2 rows of 12 ...