Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [plug]

232 questions
9
votes
2 answers

Why do some power plugs have holes in them?

I've just learned that electrical chargers with pins with holes in them are illegal in Australia. Here's what I'm talking about (ignore the one second from the left): What's the purpose of these holes?
Matt Lyons-Wood
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8
votes
1 answer

Do TRS connectors short adjacent contacts during insertion?

I would imagine with everything wiping past each other during insertion, that the following can happen briefly: <== plug T R S / \ / \ / T R S jack Is this just something that systems that allow hot-plugging have to accommodate? Is…
Rob Starling
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7
votes
6 answers

How to solder wires on to this power barrel plug?

I got this power barrel plug. http://www.digikey.ca/product-detail/en/PP3-002A/CP3-1000-ND/992136 It doesn't have any hole for me to put a wire through. The wire just goes into the hole for approximately 0.5cm. How am I suppose to solder this? I…
tuzzer
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5
votes
1 answer

Turning on electric devices by plugging them in rather than pressing their on/off button

Weird question, I hope it has its place here: is it true that electric devices like washing machines, computer and so on, should be (1) plugged in, and then (2) turned on, rather than the contrary? In other words, is it OK to have an electric device…
drake035
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5
votes
3 answers

How do I identify which point is Live and which point is Neutral of a 2-pin plug?

I have a 2-pin plug that was not label which is Live and which is Neutral. I do not want to damage the electrical device and was wondering what should I do in order to test and find which point is Live and which point is Neutral? The 2-pin plug look…
Jack
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4
votes
6 answers

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 design the holes for these plugs. The…
Physics Student
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2
votes
1 answer

What material are plug pins made out of?

I've noticed that some Mains 120/240V Voltage plugs are a gold color and some are a silver cover. I'm talking about the kind of plug pins on something that plugs into a standard 15A/20A receptacle. Are plug pins made of brass or is it something…
K. Cut
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1
vote
1 answer

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 including wires, with i could link to the wires…
Flo
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1
vote
3 answers

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 called so I can see if I can find an unwired one…
user1829564
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1
vote
2 answers

Wiring 3p+E+N socket

When wiring a 3 phase AC motor I need to connect 3 phase lines and neutral from the 3 phase socket to the motor. Motor has 3 lines and a ground symbol on it to power up. But the socket is 3p+E+N socket. I cannot determine which is earth which is…
user16307
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0
votes
2 answers

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 for the angle.
Jtl
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0
votes
0 answers

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 supply. The wire appears to be broken right next…
Rohit Gupta
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0
votes
1 answer

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
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0
votes
0 answers

DC plug identification

It's a 9.5V 0.6A adapter with a really strange plug like a smaller half-flat IEC C7/C8 but much smaller, like 12mm wide. What is this called or is it totally proprietary?
chx
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0
votes
1 answer

PAT test void on dismantling the plug?

Apologies if this is the wrong place. In the UK there is a PAT test for electrical appliances to ensure it's safe to use and meets standards, and is usually a requirement from insurers. I had to dismantle a plug today to pull it through a small gap.…
Matt H
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