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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

1
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0answers
17 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
votes
1answer
47 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 ...
0
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0answers
11 views

GLS standard Safety rope switch - PLC issue

After installing GLS type emergency stop safety rope switch I have a problem: Siemens PLC says "emergency rope switch is activated", however everything works apart that annoying message on screen, ...
1
vote
1answer
46 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'...
64
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5answers
16k 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
16 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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0answers
11 views

Protection of sensor and electrical wire conduits/trays from water [migrated]

I have an application where I have to use a couple of temperature sensors and some electrical wires running around a container (l x b x h = 2.3 x 12 x 2.6 m) that is situated outdoors. The electrical ...
0
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0answers
51 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 ...
0
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0answers
4 views

How to figure out wiring scheme of cars AC controls [migrated]

I'm not sure if this is the right for for this, but my 2011 Nissan Maxima has it's AC controls in the same part as it's stereo controls (see here) and I would like to replace my stereo. This means I ...
0
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0answers
32 views

hc-sr04 ultrasonic sensor with the beaglebone black using javascript

I am quite a beginner in electronics so I have tried this wiring for the connection between the sensor and the BBB : https://github.com/luigif/hcsr04. But if I could, I would like not to use PRU ...
2
votes
0answers
46 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. ...
1
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1answer
27 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
votes
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 ...
0
votes
1answer
47 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
votes
2answers
85 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 ...
0
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1answer
20 views

Alternating 3 LED wiring question [closed]

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. I am trying to figure out a ...
5
votes
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 ...
0
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1answer
75 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: ...
0
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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 ...
0
votes
1answer
40 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 ...
0
votes
3answers
123 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 ...
0
votes
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, ...
1
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1answer
33 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 ...
1
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2answers
63 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 ...
0
votes
1answer
34 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
123 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
votes
1answer
43 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....
2
votes
3answers
129 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 ...
1
vote
2answers
40 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 ...
0
votes
0answers
20 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 ...
0
votes
2answers
100 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 ...
0
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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 ...
0
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1answer
56 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 ...
0
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0answers
21 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 ...
2
votes
2answers
103 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
164 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 ...
0
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1answer
217 views

How to 'wire' RS485 modules?

(Question is completely revised after comments from AndyAka) I want to connect about 15 devices (max) via RS485. However, unlike a normal RS485 cable where stubs/devices are tapped from, I want to ...
0
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1answer
189 views

Wiring washing machine motor

first apologize for wrong wording/idioms. Found an old washing machine motor. It has six terminals, labeled U, V, W, Z, X, Y Attached to the motor is a capacitor with two terminals, no more wires ...
1
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1answer
113 views

Cannot successfully setup LM741 op amp

I've been trying to setup this op amp for the past couple of hours, and I can't seem to do it successfully. I have a single supply, so I created a voltage divider with resistors to get +ve and -ve. I ...
2
votes
3answers
580 views

Single supply from dual supply?

I've got a power supply delivering +/-28V, referenced to a common ground. In addition, I have a device (an isolated DC-DC converter, RS3-4815D) which accepts 36-72V input voltage across its V+ and V- ...
0
votes
3answers
128 views

USB C or other compact connector for 19 identical, general purpose lines?

I'm building an LED lighting system that requires around 16 connections to an Arduino (15 LED power supplies plus a common ground line), and I want to clean up the cabling. It's important for my ...
2
votes
1answer
92 views

Why is this pair of electric brakes not working in series (as intended), but works in parallel?

My uncle has a 48V electric boom lift that sat for awhile and we're trying to get up and running again. We had a lot of stuff replaced and refurbished and we're almost there, but there's one last ...
0
votes
0answers
25 views

Giving a ground connection to an diy equipment

I have recently built an led pannel, the leds are mounted on an alluminium frame. Now when i connect the pannel to the mains the leds glow but the alluminium surface feels a bit rough which feels ...
0
votes
0answers
30 views

Configuring ebmpapst 6314/2NP DC Axial Fan

I am an intern who knows little, but is learning much. I am working with this axial fan mentioned in the title, and would like to monitor/control this fan using a VI I wrote with LAbView. However, I ...
1
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2answers
97 views

What could be the reason for this RS422 wiring?

I usually follow the following wiring scheme for RS422 wiring: As seen above R+ to T+; R- to T-; T+ to R+ and T- to R-. So for each point to point wire R and T coupled but the signes are same i.e + ...
0
votes
1answer
35 views

Connecting a ring terminal to a smaller stud

This 12V DC breaker panel is meant to carry up to 100A, but provides a fairly small stud for terminal connection. The product documentation doesn't appear to indicate the stud size; it was measured ...
0
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3answers
136 views

Can a transformer have no secondary stages?

While disassembling the power for the spindle of my hobby CNC mill, I came across something peculiar which I think warrants a question on this site. The input is standard 220V AC. Phase 1 (brown) ...
1
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2answers
126 views

Are “bootleg grounds” really more dangerous than other single-point wiring failures?

Continuing my attempt to understand the use of grounds in modern electrical service: There are numerous posts illustrating why a "bootleg ground" (ground connected to neutral outside of an AC service ...
1
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1answer
43 views

Trouble replacing a reed switch with a wired sensor along long stretches of wire

I have a wireless security door sensor, which has a reed switch, and I'm trying to replace the reed switch with my existing wired security door sensors (thus not having to mount the wireless door ...
1
vote
1answer
58 views

Correct way to wire RGB LED Strip

This is a quick and simple question but I was wondering if this was the right way to wire a NodeMCU to an RGB LED strip. I am using IRLZ44N MOSFET's and 470ohm 1/2 watt resistors. I currently have it ...