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Questions tagged [plug]

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4
votes
4answers
190 views

Preventing spikes when plugging jacks

I'm using an 8 output DAC (LTC2666) to control synthesizers via mono 3.5mm jack connections. It works fine most of the time but every once in a while, plugging in a jack into the synthesizer will ...
0
votes
0answers
44 views

First LED of a LED ribbon powered by a WIFI socket flashes [closed]

I build an Ambilight system for my computer and I'm using a Raspberry Pi to control a LED ribbon with SPI communication. A power strip is used to power A Raspberry pi to control the LED ribbon with ...
2
votes
2answers
97 views

Please help with safety of this circuit. Safe to plug in?

I have been working on this circuit as a project for school for a few months. Here is the schematic It is a pulse generator that produces 100ns pulses at 220VDC. These are used to drive an ...
0
votes
0answers
22 views

DATAQ Data acquisition device power connector [duplicate]

I got hold of a DATAQ DI-710 data acquisition device. The device was delivered with an AC-adapter. According to the data sheet, the device can be connected to any 9-36VDC however. The only problem is ...
0
votes
2answers
46 views

Identify audio plug

I got an old Siemens RW666 LP player, but the cable is a little short... What plug is this, so I can get an extension cord?
-1
votes
1answer
27 views

3.5mm, 4 conductor, in-line, plug

I am struggling to find pictures of the plug I bought to figure out where to connect speaker wire to. It is a TRRS 3.5mm plug ...
1
vote
1answer
47 views

UL Listed Item - fused, but plug rated higher than wiring

We are installing an item and have some concerns. The supplier is claiming we will void the UL listing and warranty but the current configuration seems unsafe. I am curious if the following would be ...
1
vote
2answers
219 views

IEC vs. UL current rating

I was doing a search on Digikey for some power entry connectors and noticed that many of the connectors are rated 10A by IEC standards and 15A by UL standards. Why is there such a large difference ...
1
vote
3answers
82 views

What type of power connector is this?

I have one of those portable 16 Ah car jump starters that I want to use as a power pack for some 12v stepper motors. Rather than canabilize this plug, I am wondering if someone can tell me what it is ...
0
votes
2answers
70 views

DMX chassis(?) pin?

I want to recreate this circuit (only show a small relevant portion): And my XLR plug for input (K2) looks like this: I found a reference how to connect K2, +, - and GND to the correct pins of the ...
0
votes
2answers
81 views

Strange IEC C5 cable with 2-pin wall connector

I have this cable pictured below. It's an IEC C5 "mickey mouse" cable. What's very strange is that the wall connector should be 3-pin, with an earth, whereas this cable has a 2-pin wall connector. ...
0
votes
1answer
45 views

Help identifying this variation of a Molex or Amp connector please!

My very first post! I've researched to the point of despair (digikey, mouser, amp, molex, others...) trying to identify this variation of your everyday 4-pin, 2-row molex pin plug. An easily ...
1
vote
1answer
135 views

Strange PCB Connector I haven't Seen Before - What is it?

I'm trying to determine what connector this guy is, but I've never seen it before. It has two rows of seven pins, and they are offset a bit. More importantly, does anyone have any tips on matching ...
0
votes
0answers
18 views

Can hard wired ups be wired to IEC60309 plug?

So I've seen some pretty good deal on 6000va ups. The thing is, those ups are required to be hardwire into the circuit. But I may want to move them around maybe even once every few months. And I don'...
-4
votes
1answer
109 views

What happened when you put two light bulbs to complete the circuit [closed]

I have an argument.. In the top section we have two wall plugs hooked up like a common circuit. In the bottom section if we plug two consumers will it work, will it work half the power or it will ...
0
votes
1answer
125 views

Can anyone ID this 3 pin plug?

This connector is out of a Sega Dreamcast. I need a new wiring harness but can't find out what this plug is. The plug is 6.54mm wide, 3.42mm high (excluding the "key" 4.08 with the key), 6.48mm deep. ...
0
votes
0answers
28 views

Difference between IEC60309 2P + E and P + N + E

From my understanding the 2P + E contain 1 wire for the line 1 wire for neutral and another line for ground. Then what's the difference between these 2 plug? Are they compatible with each other?
1
vote
0answers
41 views

Replace electric connector with different type (from C13 to European)

By mistake I got a wrong electric appliance and due to the fact that it was shipped from US to Europe, it's not worth returning it to replace with another. Situation: There is a motor which has a ...
0
votes
2answers
132 views

Plug identification DB25 style

I would like to identify this connector in order to buy it This is the same size as DB25 but this is not with pin like on the parallel port [![enter image description here][1]][1] [1]: https://i....
-4
votes
2answers
119 views

Why do LED's glow when taken out [closed]

Why do LED's keep alight when taken out the socket, and then eventually fade. With any other bulb shouldnt it go out instantly. For example my phone charger has an LED which indicates to whether my ...
2
votes
3answers
133 views

Why are plug tops rated 16A and not 17, 18 or 19A?

In South Africa, most plug tops are unfused and are rated 16A. I would like to know how they determine what current value they'll rate a plug, and what factors influence how they rate a plug when ...
0
votes
1answer
58 views

Name / Adapter for Vintage AC Plug

I just came into possession of a bunch of vintage "audio" gear from the nuclear labs at Los Alamos (a bunch of test oscillators, oscilloscopes, pulse generators, etc). Been checking it out, seeing ...
1
vote
2answers
42 views

6 volt DC power receptacle

I have a toy that takes 4 AA batteries that I would like to modify to take AC power. I googled and found plenty of AC to DC power supply cables with the small socketed end. I know I could get one of ...
-5
votes
2answers
99 views

16Amp plug to 6Amp plug [closed]

I have 6Amp socket all around my home, but my washing machine has 16Amp plug. Can convertor be used to plug 16 Amp in 6 amp socket somehow? I am in India, so electricity is 240v50Hz
1
vote
1answer
422 views

Converting a NEMA 6-50p plug to NEMA 10-30p

I received a compressor recently that has a (I think) 6-50p plug on it but my dryer is currently plugged into a 10-30r receptacle and that's the only 240v I have available. I'm renting the house so I ...
1
vote
2answers
154 views

Noise resilient, hot-pluggable communication bus over long cables?

I'm working on a setup, where we need communication between a master device and several slave microcontrollers distributed out in different boxes connected by "long" cat5e cables (3-10 meters) The ...
-2
votes
1answer
249 views

Make audio jack detect headphone without actually putting headphones plug in

I am making a solution where I want to control headphone detection by PC externally as I have no control over the PC to do it through software. Below are my attempted solutions. My first try was to ...
0
votes
2answers
72 views

What type of plug is this (larger than a europe round prongs) [closed]

I have this plug for a eletric shaver but it doesn't seem to be a europe plug. I need to buy a adapter from this to US but don't know what this is.
1
vote
3answers
151 views

Why does Macbook (with a alumnum shell) use a 2-prong plug instead of 3-prong plug? [closed]

Here says that devices with metal shells usually use three-prong plugs. Three-prong plugs are for appliances that require the ground connection for safety. Most appliances that use a metal ...
4
votes
4answers
357 views

Stranded wire was cut… Connecting it back together, with solid wire… Is this safe and possible? [closed]

I have this connector for a monitor and the wires were cut. So now I’m trying to put them back together with electrical tape. I stripped the stranded wires and connected it to a short solid wire, ...
0
votes
1answer
46 views

How to wire line out on a record player? [closed]

I found an old record player in a dump, and I'm trying to fix it up, though I only have a passing knowledge of electronics and audio. There are two shielded cables coming out of the internal pre-amp, ...
0
votes
3answers
546 views

soldering wires to 12 V car plugs?

Many of the cheaper lighter adapter plugs do not come with screws for connecting the wires to them, but rather with just the bare metallic contacts - to which I am supposed to do what, solder the plus ...
0
votes
1answer
49 views

Connfly 50-mil IDC mating part (types of socket/connector pairs)

I am unable to find the right mating part (connector) for this 50-mil contact pitch (supposedly) IDC socket. The groove in this particular socket has an offset, and I am unable to find any connector ...
1
vote
1answer
74 views

Pair of single test lead wires to solder type barrel plug: how do I strain relief the connection?

My plans for power supply test leads have me wanting to have at least one set of leads that has 2x bananas on one end and a barrel plug on the other to allow me to plug in prototype PCBs without ...
0
votes
2answers
102 views

How can I find removable plugs for standard pin headers? [closed]

I'm making a right angle adapter for a module with a 2x10 pin layout that has one blocked. How can I find the little plastic pins to block a hole, ideally ones that are removable? I realize I could ...
0
votes
1answer
90 views

What is the use of an AC Power Entry Module?

I found the following AC line outlet in an old box used in outdoors: And could manage to find its datasheet. But in what kind of circumstances or conditions is this filer used? I cannot see any ...
0
votes
3answers
207 views

cutting a power plug

This may be a stupid question, but stupid > dead anyday, so I'll go ahead and ask. I have a schuko socket and a non schuko plug similar to the link. The only thing keeping me from sticking the ...
0
votes
1answer
184 views

Simple LED Circuit on audio jack not working

I am trying to connect a simple LED to the audio jack of my phone. Finally i got the correct voltage with the right audio plug (headset 4pols), which is arround 2.7V on my phone. But the LED is not ...
0
votes
1answer
92 views

Self Retaining PCB Connector [closed]

I hope this is the right place to ask. I`m looking for a self retaining pcb connector. It should be 2.54mm pitch. Something like this I have a lot of boards that have unpopulated serial ports, I ...
-1
votes
1answer
93 views

device to make a power supply sparks safe [closed]

I have an original HP 19V power supply for my laptop. From The first time I bought it I always saw a spark on plug in the wall plug. I notice the same in many ATX power supply. The problem is that ...
0
votes
1answer
727 views

USB plug in detection for charging port

Is there a way to detect if there is a USB cable physically inserted into a USB receptacle, even if it is just a cable (with nothing attached to it). I am designing a USB charging port (short D+ and ...
0
votes
1answer
99 views

Trying to identify unknown connection plug

We have a piece of foreign (Turkish) machinery and we are trying to make some adaptions to it in our workshop. However we need to find out what the below plug is - couple of electrical shops we've ...
1
vote
4answers
734 views

What is a single socket to ground-only plug adapter for electrical outlets called?

A three-prong to two-prong adapter is also known as "AC ground lifter" or "cheater plug". What is a single socket to ground-only plug adapter for electrical outlets called? It's a single socket ...
0
votes
0answers
37 views

What type of socket is needed if the documentation states “17 Way Molex SIL 6471”

I have a coin validator (for a fruit/slot machine). The main connector on the board has 4 pins then a space and then 12 pins (see picture). The manual states the following "Connector types used:- 15 ...
1
vote
1answer
302 views

What connector do I need to match my existing test leads?

I'm building a tester and want to use existing test leads from my multimeter which has these kinds of connectors. The testing probes use these plugs. What kind of connector (or is it a "plug"?) do I ...
0
votes
1answer
104 views

Plug adapter voltage rating

Is it safe to use a passive plug adapter rated for 110 V in a 220 V mains country? With passive plug adapter I mean something like this: Those bad boys are also known as "travel adapter(s)", and ...
3
votes
1answer
362 views

Help with identifying a PCB header connector

I have scoured the Internet trying to locate what this is - I'd appreciate any information if someone recognizes this plug/socket combination. It is currently used to carry 5V DC power of about 1A. ...
10
votes
2answers
3k views

Are countries that use 2-pin plugs less safe than countries that use 3-pin plugs given that the earth is missing?

Will there be occasions when using 2-pin plugs is safer than 3-pin plugs? Is it accurate to say that 3-pin plugs are always safer given the presence of earth?
1
vote
1answer
48 views

Which connector would I use for a non standard low voltage wall connection? How can I label it?

(Please see this question for background info) In my pantry, I'm going to be connecting a door jamb switch across a low voltage application. I'd like to (instead of fishing the bare wire through a ...
0
votes
3answers
131 views

How does an outlet know what wattage to put out? [duplicate]

In the UK, if that makes any difference, I was wiring a motor and then I wondered (and kinda needed to know), how does a plug socket know how much power to put out? because all the input ampages on ...