Questions tagged [cables]
Questions about cable types, properties, ratings and construction.
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Maytag MDB9100 connector to circuit board
I'm replacing the circuit board on my Maytag MDB9100 dishwasher. I'm having trouble connecting the white and black connectors on the bottom edge of the new circuit board. Everything else has been fine....
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USB C - USB A cable connection for power source
I'm trying to power a small microcontroller board using the USB-C of a smartphone, to do so I took a USB C - USB A that has 4 lines (Vcc, GND and 2 data), but I'm not able to get 5V out of it.
Simply ...
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Identifying this coax connector?
Circular 1-pin coax connector. Trying to identify so I can buy a new socket for it.
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Fixing SMB adjustable contact to its SMB connector (Jack)
I recently purchased an SMB adjustable square flange jack connector: R114413000 [Partlink].
In the bag, I receive the adjustable contact and the connector:
How do I fix this adjustable contact to the ...
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Cable shielding (best practices)
I am making a cable to connect two boards as shown in the image below:
The cable will be around 25 cm long and will be in an electrically noisy environment (consider 220 VAC house wiring lines ...
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Help me identify the cable for this
I am trying to find the audio cable for my sub system but I can't find it and don't even know its name.
I would appreciate your assistance.
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What's the Purpose of pin 44 on IDE cables
So I was looking at the pinout for 44 pin, notebook type IDE cables, and the 44th pin is listed as /TYPE : Type (0=ATA), what use does it have?
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2
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301
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Small particles from broken iPhone charging cable
While trying to fix an iPhone charging cable, I noticed I had some small particles on my fingers, that looked like metal. I wonder if any of the materials I touched and manipulated could have released ...
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LED strip cable and connector sizing
I'm trying to power a LED strip. It contains 140 WS2812B with 60 LEDs/m so it is around 2.3 m. According to the datasheet, the LEDs has a 60 mA current consumption. Based on the pure math its 140*60 = ...
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How to determine ground and power wires in USB 2.0 with not standard colors? [duplicate]
My USB 2.0 cable has 4 wires: blue, white, yellow and transparent. I want to connect it to a LED strip that has 2 wires: red (+5V) and white (GND). How can I find ground and power wires among those 4 ...
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Pluggable cables for laptop computer power adapters
It has been nearly universally the case that the cable which connects an external power adapter (power supply) to a laptop computer is permanently fixed to the power adapter. This makes the cable more ...
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How to make sense of USB connectors?
It seems USB connectors have 4 dimensions:
Type A, B, or C. And sometimes type AB.
Full, mini, or micro.
Male or female.
USB version.
Surprisingly, I can't find a good reference on those. If, for ...
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What connectors do these power supplies use?
I found a few power supplies which I need for my projects. The only problem is connecting them, I have a few sockets, which are unknown to me. I can disassemble PS of course and replace sockets yet it ...
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How to find where a jack stereo cable is interrupted
I have a jack stereo cable like the one in this video.
It stopped working correctly (only one side of the audio could be heard), and when I unscrewed the male and female plugs, both looked a bit iffy.
...
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Twisted Triad vs. Twisted Pair for RS-485
I'm looking for information regarding twisted triad vs twisted pair cable use with RS-485, especially in applications with long distances outdoors.
With twisted pair like Belden 3105DB, the drain is ...
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Pump motor fails to start when connected to a low frequency inverter via a long wire [closed]
I've been struggling with a submersible pump showing unreliable behaviour when connected through a long cable to a low frequency inverter.
The pump is used only once a week to fill up 3 5000 L tanks. ...
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PG&E's Groundline distribution system
The other day I saw an article reporting how PG&E is planning to use "tech" to achieve its target to underground 10,000 miles.
They demo'ed something called a "Groundline ...
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Does the quality of USB cable affect the power drawn?
I was wondering how the power drawn is affected by different cable? I tested two different types: A USB cable plugged to a USB digital tester which showed a power of 4.88 V and 2A drawn, whereas the ...
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What to look for when selecting a cable for transmitting multiple types of signals in a moving environment
I'm working on a device that involves transmitting data between a microcontroller and an IMU device housed on a different PCB. The two are connected via a cable using a mini DIN connector. I've ...
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3
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USB cable wiring inside the device
I'm designing a compact product consisting of several independent PCBs, which all should be permanently connected via the custom USB2.0 hub inside the device. The required USB cables should only be a ...
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Can you separate the D+/D- wires from the GND/Vcc wires in a USB 2.0 cable?
I am currently designing a wiring loom which includes USB 2.0 cable within it. It is critical that the thickness of this leg is as thin as possible due to the constraints of my client. Unfortunately, ...
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Are there drawbacks to connecting a remote diode temperature sensor through a connector and cable interface?
I would like to connect an external temperature sensor (external to the PCB) to a the DP/DN pins of an EMC2103 fan controller. My plan would be to use a twisted pair cable with a generic TO-92 remote ...
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How should I test my USB cables?
Some time ago, I purchased the FNB58 USB multimeter from FNIRSI with the intention of testing some of my USB cables. Ideally, I wanted to throw away those that are redundant and/or those that pose a ...
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Do any of these extension cord markings indicate it is double insulated?
I am attempting to "verify" that a 14/3 extension cord is double insulated by means of a label or marking. It is indeed double insulated because it is severed at one end and it is apparent ...
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How to make an USB cable cross a door?
Note: I am torn between posting this here, SE DIY or SE IoT. Since this is related to powering on my smart devices and the electrical connection I need to use, I finally settled down on SE EE. Please ...
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Easiest way to IP68 waterproof RJ45 cables/ports/splitting?
Consider the following simple daisy-chain arrangement:
Protocol is MODBUS. Electrical standard is RS485.
Cables also carry 12v DC power (Power over Ethernet) to the sensors.
All cables are CAT5e ...
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636
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Can long, untwisted wires damage a relay?
I have two long, straight wires of about 300 meters that are being used to activate a 120VAC@1A relay.
Could this damage the relay due to them being long and untwisted?
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Can I run my own cable wires? [closed]
I live down a side road that is not supported by my local cable company (they used to, but not enough people used the service to justify the maintenance cost), meaning that I cannot get fast, stable ...
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147
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Can you wire a breaker directly to an extension cable? [closed]
I have a modular UPS system, it provides power from mains or inverter depending on which is available. The power is provided to one short extension cable to which appliances are connected.
For safety, ...
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Cable / Device Shielding
Is it required to connect Shield cover to the enclosure at several points in a defined way? I am doing EMC simualtion related to this and not sure on what changes I can make.
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Would 10 cm of nonstandard wire be able to transmit gigabit Ethernet?
I'm trying to run a Cat 5 cable through a wall.
Bad news is that it is a rented wall so no drilling.
Good news is that there is already a hole in the wall.
Bad news is that the hole is already in use ...
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Help with voltage regulator [closed]
I’m very confused on how a voltage regulator is used. On this one that I found: Fasizi 3.3 DC Voltage Regulator 4.75V-12V to 3.3V 800mA, I have no clue where which cables should go where. If I use a ...
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Laptop webcam cabling
I am trying to convert an old webcam from an Asus laptop into an USB webcam
How do i match the cables from the webcam to a standard black-red-green-white USB cable?
Webcam part no. is APCB1317B2, ...
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What is this weird variant on a 6-pin power supply connector called? [closed]
I need more power connections for SATA hard drives than the one SATA power cable that came with my Apevia ATX-GX650W semi-modular power supply provides. I thought I'd just use another seemingly ...
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What is the maximum reasonable cable length for a humidity sensor?
I have an ESP32, and use capacitive soil humidity sensors to check the humidity of my plants. They get shipped with about 15 cm of cable attached.
What is a reasonable/safe cable length I can use ...
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88
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Looking for a cable/connector design with twisted pairs and power [closed]
I have project where I will be running multiple peripheral devices at different voltages, and having them all communicate through differential I2C. I'm looking to find a cable that has at least 2 ...
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Can RS-232 DB-9-compatible cable be used as a physical medium between two CAN bus DB-9 ports?
Note: I am not talking about connecting an RS-232 device to a CAN bus!
I am strictly interested in reusing a RS-232 cable with two DB-9 connectors (one male and one female) to connect two CAN devices, ...
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What is a short-circuit proof cable?
German norms and standards (VDE 250 Teil 602) specify, that wires and cables, rated for 3kV can be considered as "short-circuit proof" and "earth-fault proof" in low-voltage ...
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Why is the induced voltage due to the current of the phase conductor wrapped around the shield not included in the inducedvoltage calculation formula?
Why is the induced voltage due to the current of the phase conductor wrapped around the shield not included in the voltage calculation formula induced by the shield/sheath in the three-phase coaxial ...
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Coaxial as DC power delivering cable [duplicate]
How is it if coaxial is used for low ~ 12-24 V, 2.5 A DC power delivering cable instead of ordinary one?
Is it no disadvantage at all, if any would please help elaborate what that is in detail?
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Can I use a 3 A fuse to a 13 A wire?
I made an extension cable from a 3 A cable because I wanted a thinner cable.
The plug came with a 5 A, 240 V fuse but I replaced the fuse with a 3 A, 240 V fuse.
If the appliances I use take more than ...
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AC - impedance for a coaxial cable
Problem
I want to calculate the AC impedance for a coaxial cable. A rough image is presented below:
Because we have an AC current, suppose that the skin depth, which we can define as \$\delta\$ is ...
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What type of cables to buy for injecting/measuring voltage?
I've been designing several circuits in an electronic lab where I'd use alligator clip leads for injecting a signal in a circuit and oscilloscope probes to measure voltage. Now I'm trying to buy my ...
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756
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Looking for a way to connect a ribbon cable to a breadboard
I am currently looking to buy a 16-pin TE Micro-MaTch male cable and convert it to something I can plug into my breadboard (similar to a .1" pitch connector)
Someone mentioned using a breakout ...
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Ethernet cabling: UTP, STP, FTP, etc, when is shielding useful/needed?
When installing cabling for Ethernet purposes, the question often arises: does one want/need simple UTP or any of the shielded variants, i.e. F/UTP, S/UTP, SF/UTP, U/FTP, F/FTP, S/FTP or SF/FTP, often ...
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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 ...
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88
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What is Cat 6 cable DC isolation?
What is the DC isolation of Cat 6 cable, between different pairs and between same pair? I could not find this information in the cable manufacturer's specs.
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108
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Extend cable of USB hub [closed]
I bought a device recently which is a USB hub. It has multiple HDMI ports, multiple USB 2.0 and USB 3.0 ports, an Ethernet port, an SD card slot, etc. It is a beast. It connects to my laptop via a USB-...
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Can a 50mm2 cable handle 350 amperes?
Can a one meter 50mm2 cable handle 350 amperes?
Of course the measuring is approximate since the cable is flexed.
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144
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Are all adapters for TRRS to TRS the same? [closed]
I want to connect an audio device (specifically, a phone) with a TRRS output port to a second device with a TRS microphone input (an audio recorder).
I tried one such adapter but it does not work.
I ...
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