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Can someone identify this electrical connector?

Can someone identify this electrical connector? It's a 2 pin DC connector. It's also "keyed" with a small bump on the flat spot. It's part of a battery charing port of my son "Backfire&...
Rick Ogg's user avatar
0 votes
2 answers
96 views

Mystery of the 50Hz artifact generated with a turned off smart plug and a laptop charger

Here some short background: I am a PhD student doing research in Neuroscience and I am using a 50Hz artifact generated by a laptop charger in my research for the synchronization of different ...
user373724's user avatar
0 votes
2 answers
107 views

Understanding audio jack connections

I have an audio jack but I have no clue how to connect wires to it. Please help me to understand its connections. I have provided the images of it. I do not know how to connect it, please help. It ...
Preet's user avatar
  • 147
2 votes
1 answer
75 views

How to find connector type

I try to identify the following connector type but do not get it with https://connectorbook.com/identification.html Can you maybe give me a tip? (width auf the socket is about 8 mm, of the plug 6 mm)
ckluss's user avatar
  • 123
0 votes
2 answers
55 views

ODU angle 60 or 80 degrees?

If the diameter of body as shown in this ODU plug is 10mm and the distance between the notch is 7.22mm. How do you compute the angle. I want to know which angle it is below. Pls show how you compute ...
Jtl's user avatar
  • 847
1 vote
0 answers
55 views

C7 plugs with 3A fuses

IEC 60320 C7 type plugs seem to be rated at 2.5A, yet they are commonly supplied and used in the UK on cables where the source side plug is fused at 3A. Does this meet standards, and is it legal and ...
river's user avatar
  • 170
4 votes
1 answer
91 views

Help Identifying a Molex/MATE-N-LOCK style connector

Hoping someone can help as I've spent the last few hours trying to find this specific connector on a number of distribution and manufacturer sites. The pitch looks like it is around 6.3mm. It's a 2x2 ...
C-BoT-AU's user avatar
0 votes
0 answers
26 views

Looking to identify this plug on a Bluestream Device

I have a couple of these Bluestream devices that convert HMDI to TCPIP to transmit the video (and audio) a longer distance. One has been iffy for a while and I have finally isolated it to the power ...
Rohit Gupta's user avatar
0 votes
0 answers
103 views

Help with 3-pin, "Y", circular plug identification

The plug's outer diameter is 15 mm. The pins are ~4.5 mm apart. The pins are under 2 mm thick. It is from a Kaabo Mantis King GT/Wolf GT. SP17 and M15 are similar, but not the same. Compared to XLR, ...
Elektoniikka Mestari's user avatar
0 votes
1 answer
62 views

Sensing plugged in 3.5mm jack with the TRRS contacts

I am using the pictured TRRS connector and want to detect whether a plug is plugged in via the builtin switches (pins 2/3/4). However, the switches seem to be connected to the audio lines as well. ...
Liftyee's user avatar
0 votes
2 answers
161 views

How open this Christmas light plug to change fuse? [closed]

I'm trying to get to the fuse in this plug (pictured below) and it looks like I'm going to break it instead. All the videos and instructions I've found show a different plug that it is very easy to ...
Rodo's user avatar
  • 1,130
0 votes
4 answers
506 views

Using 110V plug on 220V line

It might sound weird but I want to use 125V plug on 220V line. The plug is US type (type b) but I live in EU now. I'll change the outlet with US type outlet and also my cables has US type plugs on. ...
kokojuh's user avatar
  • 11
1 vote
1 answer
271 views

Hooking up a NEMA 14-30 male to NEMA 5-15 female

From the hardware store I bought a NEMA 14-30 power cord, to which connected a NEMA 5-15 receptacle so I can plug in a 240V appliance. https://www.amazon.ca/AC-WORKS-Generator-250Volt-Flexible/dp/...
Tempus Nomen's user avatar
6 votes
2 answers
729 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
  • 354
0 votes
2 answers
103 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
  • 275
13 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
  • 275
0 votes
1 answer
267 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
59 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
29 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
79 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
423 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
159 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
137 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
843 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
295 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
1k 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
2 answers
158 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
2k 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
501 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
  • 133
0 votes
1 answer
53 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
117 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
2k 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
50 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
783 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
6k 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
120 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
176 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
185 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
133 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
1k 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
2k 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
234 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
185 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
4 votes
2 answers
907 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
2k 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
2 votes
3 answers
885 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
  • 23
0 votes
1 answer
279 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
110 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
1k 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
457 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
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