Questions tagged [plug]

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6 votes
2 answers
505 views

What is the name of this green 2-pole DC power connector?

I've seen this connector crop up on several devices: (The above image is from a StarTech USB HUB.) If I want to buy the matching plug for this socket, what should I be searching for? I've tried ...
larsks's user avatar
  • 330
0 votes
2 answers
93 views

How Does Electricity Work Voltage/Amperage? [duplicate]

Probably some basic questions however I can't seem to find an answer to a few based on the way I phrase it online unfortunately. I never really delved into the whole electrics field/terms much until ...
Dave1UK's user avatar
  • 265
12 votes
4 answers
2k views

Mains Plug Soldering Wires

So I have a few extension leads all are 13A rated but the cable length is too short just 1 metre. It would be cheaper for me to rewire them than buying new extension leads. I bought a reel of the ...
Dave1UK's user avatar
  • 265
0 votes
1 answer
91 views

What is the name of this plug, and which side is line and which is neutral?

What is the name of this plug, and which side is line and which is neutral? (Image from Wikimedia Commons)
Math Keeps Me Busy's user avatar
0 votes
1 answer
53 views

Name of this plug and other end needed

can someone tell me what type of connector this is and what would be the name of the other end connecting to this
Chuck L's user avatar
0 votes
1 answer
26 views

Help Identifying Molex plug

I'm looking for some help identifying which plug to get for this power source. I know the specs of the original power source are "120V, 60Hz AC linear power supply; output is 6 volts DC, 2 amps.&...
Danny C's user avatar
3 votes
2 answers
76 views

What Molex plug is this? 5 mm pitch, 3 way, 1 row

I'm trying to identify this plug, it might be a different brand instead of Molex. The pitch is 5mm between each hole on the plug, 3 way, 1 row. This plug is 3-way but only has two terminals in, so the ...
Joe B's user avatar
  • 31
-1 votes
1 answer
157 views

How to connect female audio jack with breadboard

I need to connect this female audio jack to a breadboard, and then to an amplifier and converter. I don't know the pinout of this component and the GND, can anyone help me?
Marrakchi Houssem's user avatar
0 votes
2 answers
95 views

What is the reason that this RJ11 cable can't be connected to this socket? [closed]

I connect one end of this RJ11 to my router's WAN port, and I connect the other end of it to a 3-pin plug, and I connect that 3-pin plug to the phone jack, but when I try to connect the RJ11 cable to ...
avdaad's user avatar
  • 9
0 votes
1 answer
95 views

What is this 10 pin connector?

I'm trying to identify the 10 pin connector in the image below. Pin pitch is either 0.8 or 0.9mm (no calipers available). The outer plastic housing is 6mm x 4mm. Any ideas?
Hmmmm's user avatar
  • 1
4 votes
6 answers
836 views

Recommended mounting hole for coaxial plugs

I want to design a custom mounting plate for the following two plugs: https://uk.rs-online.com/web/p/coaxial-adapters/2478739 https://uk.rs-online.com/web/p/coaxial-connectors/8859960 Now I want to ...
Physics Student's user avatar
0 votes
3 answers
80 views

Understanding Energy Meter Output

I am not an electrical engineer. I am software engineer trying to build an app to work with a smart plug and I just don't understand the basic concepts and so just looking for some beginner help. I ...
Moshe W's user avatar
0 votes
1 answer
270 views

Wiring a 2-pin K1 to a 3.5 mm jack with a mic and PTT?

Is there a possibility to wire a 2-pin K1 headset connector to a 3.5 mm jack with a mic and using an external button for PTT in order to close the PTT circuit? If so, please help me, I have been ...
Victor Kallin's user avatar
0 votes
0 answers
30 views

Need to find adaptor socket for cord with unusual plug. Labeled 125V SL1, it has one prong of 2 perpendicular to the other instead of parallel

Need help with what type of cord this is... Has two prongs but one is perpendicular to other. The plug is marked SL1 and 125V. This is in a vintage all glass display cabinet circa 1980 It powers a ...
Bibi's user avatar
  • 1
0 votes
2 answers
62 views

Finding the size of this charger plug

Does anyone know how to identify the correct size of this plug? I have a pair of heated gloves (-10°F in Boston last night!). They don’t work any more any I’m hoping that the problem is in my charging ...
David's user avatar
  • 1
5 votes
1 answer
924 views

Is it safe to swap positive and negative on a barrel plug?

I have just enough knowledge about electrical stuff to get in trouble... So that is my background, and hence why I am asking before I do something stupid. I have a device I want to power that is ...
Adam Lathrop's user avatar
3 votes
2 answers
197 views

Removing 3.5 mm jack socket from a PCB: patching the socket's switches

I sheared off a plug from a 3.5 mm headphone jack inside my Roland HP603 piano. After failing to remove the plug, I tried removing the 3.5 mm jack socket from the PCB. However, the piano still thinks ...
pyrex's user avatar
  • 131
0 votes
1 answer
47 views

How to create an extensible electrical connection with a small form factor?

I have a hard time finding a product that suits my needs, and I am wondering if it exists. I would like to create electrical connections, eight times 100 VAC, i.e. 16 connectors, and I would like to ...
Thomas Hirsch's user avatar
4 votes
1 answer
93 views

Vintage dual 0.25 inch plug connector - Does this have a name or a typical use case?

I found several of this type of connector in an estate, and just wondering if anyone knows if this type of connector has a particular name, or what they are typically used for. The writing says "...
pyridoxal_trigeminus's user avatar
2 votes
3 answers
651 views

Earth pin in a 3-pin mains plug [closed]

I bought a new pressure washer online and it has a 3-pin plug as shown in the picture, but there are only two pins protruding out from it. The two pins fit into my standard 3-pin socket and it works ...
androidguy's user avatar
0 votes
0 answers
47 views

Surge protector + mains power adapter safe?

I was looking for a surge protected power strip/extension lead that could be mounted, have 6 or more outlets and came with a 5 meter mains cable with Type G (British plug) inlets and outlets. Having ...
Curtis Lisle's user avatar
2 votes
1 answer
308 views

How to loosen DC barrel jack to fit with 12 V adapter?

I have a DC jack such as this: The lot that I bought are all too tight to fit a 12 V Adapter plug into them. Plug: How do I loosen the jack? Are they always stiff when new? Should I buy new ones? ...
Thermal_insulator's user avatar
-2 votes
2 answers
2k views

Which wire is positive on this audio jack (blue and white)?

Which wire is positive and which is negative on an audio jack wire that I have cut off to do some experimental work? I have searched the internet and a lot of answers contradict each other.
jessica smith's user avatar
0 votes
2 answers
110 views

Help identifying a female power plug (500 V - 16/25 A AC - 3 pins - France)

Can you tell me what kind of plug this is? I suppose it's from the 60's but I am absolutely not sure; it may well be more recent. Are there adapters to allow connecting regular 220 V devices to it (...
Oliver's user avatar
  • 259
1 vote
2 answers
144 views

What is the electrical circuit symbol for an "AC ground lifter" or "cheater plug"?

This is also known as a "three-prong/two-prong adapter." What is the electrical circuit symbol for this item? Here is an example: EDIT: To be clear, I am not using, nor endorsing the use ...
iwantmyphd's user avatar
1 vote
2 answers
138 views

Is this power supply not properly grounded?

Quick Rundown The original power supply for my heat press machine (for t-shirts, hats, etc) machine went belly up, so I ordered a the only replacement that I could find that resembled the original. ...
SuperStew's user avatar
  • 135
-1 votes
1 answer
106 views

Can you identify this plug type?

I have a Koolatron SmartKool Cooler Freezer with a plug I can't identify. I could use some help!
Gus's user avatar
  • 1
-1 votes
1 answer
594 views

Heater from France with blue, black, brown wires [closed]

I have just bought an oil heater from Screwfix. It is a French appliance supplied without a plug. I've just realised the wires are blue, brown and black. Would anyone know how I go about connecting ...
Gary's user avatar
  • 9
0 votes
1 answer
698 views

Wiring of laptop 3-prong power supply (US vs UK)

I have a laptop power supply that comes with a US 3-prong plug, connected to the PS through a 3 circle female connector. I want to change its plug from US 3-prong to UK 3-prong. But, if I am not ...
some user's user avatar
  • 119
0 votes
1 answer
164 views

Spark plug noise on power supply

I am working on a motorcycle diagnostic tool. Everything works fine except for the fact that when the engine is turned on, in some motorcycles spikes start appearing all over the circuit, and the ...
hadez's user avatar
  • 579
3 votes
1 answer
128 views

What battery connector type is this?

Just spent a long time on the JST site and the Molex site trying to identify the following connector. It's got 2mm pitch and is used for a battery connector in a small RC quadcopter. I found them on ...
Marcel Stör's user avatar
3 votes
2 answers
584 views

What is the purpose of the 1 Mega-ohm 1/2 watt resistor between neutral and ground, in a vintage audio amplifier (SONY model STR-7800SD)

I own an old SONY radio / amplifier, model STR-7800SD. I opened it and I saw a resistor between one of the AC lines and the chassis. The funny thing is that it has a REVERSIBLE 2-prong plug! So, I ...
SimplyTech's user avatar
0 votes
2 answers
927 views

How unsafe is 220V over NEMA 5-15 really?

I'm from the Philippines but the U.S. had a very large influence on our electrical standards. It is especially evident on our electrical sockets. While all of the sockets in a typical Filipino home ...
Kosho E's user avatar
1 vote
3 answers
433 views

Barrel connector is too long for port

I had to buy an AC adapter for a monitor, but the one I purchased, while having the correct diameter for the plug, sticks out about a centimeter from the plug (picture below). This leaves part of the ...
drodds's user avatar
  • 13
0 votes
1 answer
191 views

Lego connector, 2 pin, Vintage

I have searched the forum and am unable to find reference so am asking what I hope is an unanswered question. I have been tasked with getting an old (eighties / nineties) Lego collection back into ...
Jamesinhk's user avatar
0 votes
1 answer
88 views

Correct way to attach a power cable to this kind of female plug?

I am trying to figure out how to connect AWG16 power cables to the plug shown in the picture. The plug will be a power source (220V 10A) in a plastic enclosure. Can I just insert the cables into the ...
galago mara's user avatar
-1 votes
2 answers
748 views

Can I use this US extension cord in Europe? [closed]

Long story short: I need an extension cord to charge my EV when the standard charger does not reach the socket. I spent hours researching what options I have and most review websites I found were US-...
Paul Razvan Berg's user avatar
1 vote
0 answers
298 views

What trouble will I get into if I use a headphone jack for serial communication between two arduinos?

I have a project that requires two arduinos to exchange some information when connected together via wire. When the connection is made, Arduino A should start sending a message. When Arduino B has ...
Bas's user avatar
  • 463
17 votes
3 answers
1k views

What type of plug is this?

I'm seeking to buy this type of plug but can't find it anywhere. I tried asking at my local electronics shops, googled the images and consulted the data sheet of the appliance it came with. (12V input ...
Jen's user avatar
  • 275
0 votes
1 answer
90 views

Leaving the plug attached to the socket [closed]

It would be really helpful for me to leave the USB plug (the "brick") plugged into the power socket. I would not connect the cable, which could potentially short if it touched a conductor, ...
Pellegatta Simone's user avatar
1 vote
1 answer
1k views

Why is my plug socket CRACKLING?

I have one socket at my resident where I plug my laptop charger. It started crackling a few days ago and it continued every day since. Today I opened the socket and replaced it with a new one. It ...
Talk is Cheap Show me Code's user avatar
0 votes
1 answer
70 views

Choosing rheostat ratings

I want to control a heated pad with a rheostat. My heated pad has a power rating of 30W and supply voltage of 12V DC. How do I calculate the ratings required for my rheostat and plug adapter? I have ...
Jane's user avatar
  • 11
3 votes
1 answer
125 views

What is this connector/plug called?

I have found this cable several months ago with old electronics (it is more than 5 years old, I'm sure.) For more than a week, I have been looking for the type of plug shown in the photos on internet ...
marek_l's user avatar
  • 33
0 votes
0 answers
42 views

Identifying this connector - PM395 thermal camera viewfinder

I have an old thermal camera (inframetrics PM395). I want to replace the original viewfinder with a small display. What is the name of this connector? I wish to make up my own cable using the same ...
glengarry1333's user avatar
0 votes
0 answers
257 views

Solid state relays with 555 timer for spark plug circuit

So here is the circuit that I have tried to make it work with an ignition coil to make sparks. What I want to achieve is a single spark from the input. This circuit does work but the IC 555 timer ...
hello_world07's user avatar
0 votes
1 answer
54 views

AC Plug Type F PCB design?

I am designing a smart plug device. I need an ac plug footprint for my design. I will use type F (schuko) plug but I could not find its design files for altium. Can somebody inform me? Thanks in ...
Arda Dilan's user avatar
0 votes
1 answer
97 views

Difference between the two circuits

I am trying to make a circuit for controlling a spark plug using 555 IC.I found two circuits on the forum which are very similar to each other but from what I have observed, they are using different ...
hello_world07's user avatar
1 vote
1 answer
106 views

Searching replacement for broken plug

Could someone tell me the specification of this plug? The plug is from the camera and microphone unit of my laptop lenovo u330 touch. I damaged it and want to replace it. i hope to find a replacement ...
Flo's user avatar
  • 11
0 votes
0 answers
47 views

Help identifying adapter DC plug

Does anyone know what type of plug type this is? I am having no luck identifying it so far. The closest I have found are the Kycon KPPX-3P-SR7DI but it only comes in a 3 and 4 pole version and this ...
George12's user avatar
0 votes
2 answers
180 views

How sensitive are laptop barrel jack sizes?

In particular, is a barrel jack described as 1.35mm x 3.5mm likely to work with a socket made for a 1.3mm x 3.4mm jack?
mjc's user avatar
  • 103

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