Questions about cable types, properties, ratings and construction.

learn more… | top users | synonyms

-1
votes
0answers
15 views

Questions regarding the PS Vita Joystick module

This is the joystick module in question: https://da2lh5cs8ikqj.cloudfront.net/cart-products/MsqgdvcV5lPa5bEZ.large I wanted to ask if anyone knows where I can find the 6 pin FPC connector for the PS ...
0
votes
1answer
44 views

Does USB Power Delivery handle USB cables that are not PD-aware?

I think USB-PD is still fairly new (I don't know anyone who owns a device that has it) but reading wikipedia and info sites does not make it clear what happens when you use a cable that is out of spec ...
0
votes
1answer
56 views

How to make cables for 0.1 in. pitch pins?

I'm trying to make a cable for a 4 wire interface to a stepper. The intention is to have a short cable attached to the stepper, a male piece on the PCB board, and a bridging cable that can be replaced ...
0
votes
0answers
30 views

What polarity is represented by the black with white stripe on DC power cable? [duplicate]

I have a 12V DC adapter that is bricked I want to change it, and I don't know the polarity, this is the photo: What polarity represents the black with white stripe cable?
0
votes
1answer
57 views

What Type of cable is this?

I know someone who needs a longer version (12ft) of this cable for their TV, but I do not know what type it is. Can someone please identify the ends for me so I know what to shop for? The cable is ...
0
votes
1answer
39 views

Sending power to passive subwoofer via RCA connections

I have a home theater receiver with a powered subwoofer output and a matching passive subwoofer. I've always connected these two items using speaker wire. Recently I moved into a place that has ...
0
votes
2answers
83 views

What is this cable-joining black shell component called?

What is the name of the oblong black shell thing that is (presumably) connecting the two halves of the cable? There is a small one and a large one shown in the image below. I've searched around for ...
0
votes
1answer
48 views

Identification Request: 10:4 pin cable

What are cables like this called? (Bonus: what are the parts called?)
0
votes
1answer
40 views

Custom USB PC-PC Interface

I would like to build a software interface using the usb4java library, for sending triggers for synchronization with the following specifications: Latency below 1 ms Range: 8-bit [0, 255] + bit [0, ...
1
vote
3answers
111 views

Short circuit protection of cable

I know cables are protected from short-circuit by using fuses / circuit breakers. Cables have I²t curves, which should be checked with fuses or cb's I²t curves in time / current chart. Here I have ...
1
vote
0answers
28 views

Where to source the plug end of a PC power cable [closed]

Im building a relay control system, and Im currently using some modified 125v 10a pc power cords with a receptacle on the other side, and the normal female plug on one. The problem Im having is ...
0
votes
0answers
34 views

Sense continuity in cable and lock with MCU

I'm building a "smart" cable lock system where the user will put a steel fitting attached to the end of a steel cable into a lock aperture, after which the presence of the steel fitting needs to be ...
2
votes
2answers
74 views

Wire for harsh environment

One of the jobs I often have to perform is repairing the infra-red sensing headsets for BattleSports equipment. Basically the headset consists of a pair of IR detectors and red LEDs for indication. ...
0
votes
0answers
50 views

Can power be extracted from a cable that is supply something else with power

If a cable is supplying a TV with 200W, is it possible to somehow wirelessly tap into some of the power flowing through the cable? Would it be possible to extract enough to power something like an ...
0
votes
4answers
125 views

How dangerous is a bare wire?

My cable to charge my iPad has recently exposed some metal wire (due to the plastic insulating splitting). How dangerous is such a wire? If I was to touch the wire when plugged in to the mains, what ...
2
votes
2answers
70 views

Sensible standard wiring type for long-range I2C

I'm planning on interfacing with some sensor devices via I2C over a long bus, with devices chained every 2m or so, up to 16m in total. I've seen other questions here referring to this from the "which ...
0
votes
1answer
36 views

Shielded sleeve?

Does anyone know of sleeving that is basically a hollow tube with a metal shield? Something like coax but without the core? I need to take some unshielded wires and run them through a flexible RF ...
0
votes
1answer
67 views

can signal ground be carried in the connector shell?

I have a cable with 6 pins but I have 6 signals and I don't have space for the signal ground. If the shell is continuous from end to end, would it be fine to use that as the signal ground?
-1
votes
1answer
67 views

What Wire Gauge for 4800 Watt Amp?

I'm buying a new subwoofer for a dedicated home theater that has a 4800-watt RMS built-in amp that can reach 9600-watt peaks. I'm going to have an electrician run a dedicated power line from the ...
0
votes
1answer
47 views

Assembling my own antenna cable - considerations

I need to use a 4 m antenna cable on an application. Due to non-standard cable length and some more unrelated reasons, I am considering to assemble my own cable which I have not done such thing ...
0
votes
1answer
51 views

Cable parameters calculation for a long 1000 V DC cable

How to calculate the current that is needed to charge the cable capacitance and inductance while switching DC power supply ON? And the current that is released from the cable inductance and ...
0
votes
0answers
28 views

Piezo contact mic with single core audio cable

Is it possible to create a contact mic with single core cable? If so what are the solder joints I need to make to connect to a piezo? This is a picture of the cable I will be using: Instructions ...
0
votes
3answers
93 views

CAN Bus Physical Layer Twisted pair or not

CAN bus is very common in automotive or vehicular applications. In our case, we are using aerial platforms with have CAN bus links between operator remote and ground control box. As is very typical ...
1
vote
0answers
64 views

Swapping colors with a VGA cable/connector [closed]

The VGA connector appears to have discrete wires for specific colors: http://en.wikipedia.org/wiki/VGA_connector If I spliced 2 cables together (or made a specialized connector) but reversed all the ...
2
votes
0answers
64 views

Direct cable to board compact assembly?

I am looking to attach a cable to board in the most compact (yet manufacturable) way possible. This does not need to be disassembled ever, it can be a permanent connection. Is there a standard way ...
-2
votes
1answer
73 views

How do you determine the length of dead soft #10 AWG copper magnet wire which will drop 2 volts when there's 15 amperes through it? [closed]

Ignoring skin effect and the temperature rise in the conductor caused by \$ I^2R\$ losses, how do you determine the length of dead soft #10 AWG copper magnet wire which will drop 2 volts when there's ...
2
votes
1answer
27 views

Cabling simple sensors 5-20 ft from a uC - tips and gotchas; UTP vs STP cables

The situation: using a simple microcontroller (eg: 5V Arduino Pro Micro) which needs to read a few sensors located about 5 to 20 feet away via cables. (This is a garage/storage area controller). The ...
5
votes
3answers
538 views

Does a Connector With Multiple GND Pins Make a GND Loop?

There are some cable standards that have multiple GND pins on the connector proper. A good example of this is the SATA connector (it has 3 of them). In reality, each GND pin has a slightly ...
0
votes
0answers
100 views

Best heating cable for a DYI heating blanket

I want to make an electric/heating blanket that will work with heating electric cable. I will use a computer AC adapter that output 19V 3.16A, and this dimmer to regulate the heat and a heating ...
1
vote
1answer
82 views

What kind of cable is used to connect the two parts of headphones

I am trying to replace a broken cable on my headphones(Sennheiser HD 280 PRO) but I can't figure the type of cable so that I can order it online. I think it is pretty standard as it seems other ...
1
vote
1answer
161 views

Name that connector.. and cable please

I would like help figuring out what type of cable and connector are shown in the images. I have a robotic cd autoloader and the arm stopped working properly and this cable shows signs of wear. Any ...
1
vote
2answers
96 views

What is the difference between a 2 and a 3 solder terminals socket (coaxial jack dc)

I'm not pro with electronics and electricity and I want to replace my notebook socket so I'm looking for a coaxial jack dc socket but, as I only have two cables (a positive and a negative one) to ...
3
votes
5answers
305 views

Does the color of Jumper cables matter?

Does the color of jumper cables in a circuit matter? I'm starting out with Arduino and can't get it to work at all with a breadboard! I'm thinking it's something simple like this! I know Black is ...
1
vote
1answer
96 views

Pin assignment on rj45 when using rs232

I am having a problem creating a cable to connect with two devices. The first devisce is an Intellivue MP70 that I want to connect to the RS232 port using an RJ45 end. On the other side there should ...
0
votes
1answer
64 views

What is the name of the following cable?

Instead of wrapping cables I will like to make the connection by using the following type of cable: what is the name of the female and male cable with this circular end? I will like to buy this ...
2
votes
2answers
627 views

2.5mm Jack to USB data Cable

I was recently diagnosed with Type 1 diabetes. With the need to test my own blood upwards of 8 times a day I have a ton of data to keep track of. My testing unit has the ability to upload its data to ...
0
votes
1answer
142 views

Sending Signals over a Coaxial Cable [closed]

Recently I've been trying to understand how multiple signals can travel along a coax cable. Indeed, I have already read "How are multiple signals propagated in a coaxial cable?", but it doesn't seem ...
0
votes
3answers
132 views

Sniffing twisted pair without interupt

Is it possible, with an oscilloscope, scalpel and a lot of patient, to open up a network cable (twisted pair), and sniff the traffic? All without interrupting the network traffic. So; Use the ...
0
votes
2answers
98 views

FTDI cables confusion

I went to the store and asked for a FTDI cable however, I need a bit of assistance, apparently I didn't properly do my homework before shopping and I ended up with upper pic. I need an FTDI cable to ...
0
votes
0answers
55 views

Cable re-threading, ending, connection help

Been a while, trying to find out what are the pin connectors in a standard car PJB plug. I am trying to clean up the wires so they can plug back into the plug, I'm not sure what the plug for the end ...
0
votes
3answers
339 views

How does “bidirectional” transmission on gigabit ethernet work?

I was reading about the various twisted pair protocols, being distracted by the marvels of Wikipedia when I went to look up the way to wire a connector. And I'm wondering how it can transmit in both ...
0
votes
2answers
75 views

Need help to determine the type of part [closed]

I'm trying to repair an old Atari power adapter. The cable has snapped flush to the connector. I'd like to identify the type of connector to redo the cable. It's bigger than audio 3.5mm but smaller ...
1
vote
1answer
71 views

Cable for transmitting 4MHz 3V3 signal

I am building a device on breadboard where there are 2 ICs: a microcontroller and some auxillary IC, they should communicate via SPI with a 4 MHz clock. Because I don't have enough place on my ...
1
vote
2answers
110 views

How to connect dual 5-pin GS232 to a single 8-pin G-5500 Rotator

I have a Yaesu GS232 computer interface which has two 5-pin slots, one for elevation and one for azimuth. This is supposed to be connected to a Yaesu G5500 Rotator which has a 8 pin DIN slot. Supplied ...
0
votes
1answer
79 views

Connecting GPIO and SPI signals via cable

There is a requirement in one of our systems to transfer signals from one board to another board in the same system. The signals are GPIOs and SPI lines from I.MX6 processor and it is in 3.3V ...
0
votes
1answer
103 views

Headers and Cable for a LCD and UI?

My current layout consists of two 16 pin (8x2) 2.54mm pitch (shrouded) headers. One is for an 16x2 LCD screen and the other will be for a button interface as well as status LEDs which will be mounted ...
0
votes
2answers
98 views

What's the definition of “signal to ground capacitance” of a coaxial cable? What's the difference between it and normal capacitance?

What is the definition of "signal to ground capacitance" of a coaxial cable. I know what capacitance is, but I'm not sure whether it is just the same thing.
3
votes
1answer
84 views

Continuous current capacity of this conductor?

How much current can a copper conductor that is 2 meters long, 0.003m thick, and 0.00045m wide continuously carry? Also, the resistance is about 0.02 Ohms.
0
votes
1answer
124 views

Carrier Wave in Wired Data Networks

I know this must be trivial for many... Which are the main reasons why line data is not modulated/demodulated in normal enterprise wired networks (in the sense that discrete voltage levels are used)? ...
2
votes
2answers
93 views

Connectors and receptacles for easily plugging and unplugging cables

What are good solutions for pluggable, "free-hanging" cable connections? As simple as this question might sound, I am currently struggling in finding components that allow me to easily connect and ...