Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [wiring]

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

1076 questions
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What do solid/striped lines on a wire indicate?

What do solid or dashed lines on a wire indicate? Is there a difference between the solid and dashed indicators?
Mark Harrison
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Lack of Earth wire

Electricity connections where I live don't have have earth wires, only live and neutral. I don't have any problems with it but if I touch metal parts of any desktop computer, It does what coffee can never do, even stuff attached to usb can deliver a…
asim
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What does FG stand for?

I have an old 12V cooler master fan that I am converting into a fume extractor for soldering and am connecting it to a standard 12v computer power supply. I am trying to wire it and am confused about one thing. On the fan's label it has a coding…
celeriko
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How can I bundle extremely thin wires?

I have a small, sensitive pressure transducer with extremely thin wires. I frequently install and uninstall this transducer and route the wires through various small holes. The overall length of the wires is about 2ft. How can I bundle the…
nwsteg
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Need a Loud Electrical Component for Magnetic Lock

On our main front door at the Stack Exchange offices we have a glass door with a magnetic lock installed. As is common at offices, visitors can ring a doorbell and then our receptionist will press an RTE button to release the door lock and allow…
Alex Miller
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4 answers

Can I wire a dimmer switch into a soldering iron?

So I have a really cheap soldering iron and a dimmer switch meant to be wall-mounted. The soldering iron has a standard, ungrounded cord. The dimmer switch has four wires: a green (for ground), a black and a red, and another red that's "only for use…
Nate
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Escape Room Bomb Defusal Wire Cut

I am fairly new to electronics and all of that good stuff, but I have been doing some research on triggering a series of events that would simulate a movie bomb defusal. I've got an idea for four stages. I have some diagrams I've made in circuit…
Spencer Lewis
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How do you use a screwless terminal block?

I know next to nothing about electronics, so treat me accordingly :D I have these terminal blocks: To the best of my understanding, wires go in, and the levers clamp down to hold the wires in the place. 1) The levers are really stiff. Am I…
Wesley May
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Use of Cable Shield in Optical Rotary Encoder

I have an optical encoder with four wires: Green = A phase, white = B phase, red = Vcc positive power supply, black = V0. Additionally, it has a metal shielding layer in the cable. Now I don't know what is the use of this metal shielding. Can…
TIWARI
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How do I splice multiple (more than two) wires in-line?

When I look at many wiring diagrams, like this one: (source), I see wires which need to be connected to multiple points. This suggests that the wire will require multiple three-way splices in order to connect to all the right places. How is…
gcv
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How to connect to these terminal blocks?

I have this power supply (actually part of a control box for a robot arm) which has terminal blocks, but most of the screws seem complete inaccessible due to how closely the blocks are placed together. Here is a picture of the one semi-reachable…
Mark
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How best to strain relieve cable entering aluminium enclosure

We are manufacturing electronic instrumentation which comes in a machined aluminium case. We have full flexibilty on design of the case. I need to design some form of strain relief for the single cable, which has a diameter of 6mm. The case needs…
bgarrood
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Christmas lights: 8 groups in the chain, only 6 cables?

How do you control 8 groups of LEDs independently with only 6 cables? So, today I've put up my Christmas decoration. It's a long chain with several independent groups and a controller with a couple of programs, you know the deal. At first I was…
Frank Vermeulen
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What is the most mechanically durable wiring solution for about 1-2amps?

I am working on art project, which is a living statue made from plastic pipes and fabric, and it folds, unfolds, dances pretty violently. I want to attach some LED strips to the pipes, but I am worried that my wiring may break down due to mechanical…
Atilla Filiz
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What does the common terminal (COM) do in PLC

What does the "COM" (common terminal) hook up to on the input of PLC (i.e. Omron CP1L). There are 10 NO input points, one COM and one ground, and two for power AC power supply. Am I supposed to connect the "+" input to NO input point, and "-" to…
KMC
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