Questions tagged [screw-terminal]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
18 views

Are there “Euro strip” terminal blocks with “rising cage” connections?

I'm continually modifying the connections all over (and under) my centrally controlled house. Terminals with bare screws are hard on the tiny wires, and "wire protectors" don't open back up nicely ...
0
votes
1answer
52 views

Looking For a Specific Connector [closed]

I'm designing a single layer Aluminum PCB and all components needs to be SMD/SMT. I'm looking for a common connector that will deliver DC power at 24V and up to 5A minimum (10A ideally). Right now, I'...
0
votes
1answer
59 views

Lab power supply screw plug

I'm intending to buy a lab power supply, high likely a .. I'm thinking about a Korad KA3005D (see picture below). It does not come with cables for the Red + and Black - terminals, and I (also) would ...
0
votes
2answers
154 views

What the forklift is this gold piece on my push/pull connector?

I got a pseudo-lemo connector that seems to go together in the order the parts are laid down on the plastic baggy. The solder cup goes into the sliding part, and the rubber goes on the end to give ...
1
vote
0answers
172 views

Ensuring good contact between ring terminals and the screw terminals they're bolted to

I'm working on a high-current switching converter for research purposes. Because of the voltages and currents involved, many components use screw terminals to connect to wires. I haven't used screw ...
2
votes
1answer
81 views

What is this type of screw head for accepting test hooks connection called?

These screw heads are useful for retaining electrical connection with test hooks because of the two collars. What are these type of screws called?
3
votes
1answer
919 views

How many wires can I safely fit into this screw terminal?

I have about 40 positive and 40 negative 18 gauge wires that I am trying to connect to one DC power source. I have a few terminal blocks to achieve this. Each terminal block has 2 rows of 12 ...
0
votes
2answers
216 views

Hack for connecting two terminal blocks?

If I bought some of these connectors. Is there an easy way to connect two of the green terminal blocks together? i.e. I would end up with a male to male DC adaptor. Could I do this without having ...
0
votes
1answer
255 views

Practical way to splitting CAT5 for 1wire?

I'm planning Raspberry Pi system using One-Wire with thermometers (ca 10 pcs). My electrical skills are basic. I'm looking for a good way connecting stubs to main line. . The main line (green) 1 ...
0
votes
1answer
218 views

Is there a better way to jumper 3 terminals together?

I can't find terminal block jumpers for sets of 3 and 5 terminals, just 10 and 2. So I took some 2-terminal jumpers and tried to accomplish what I needed to do but it looks unsightly and seems likely ...
0
votes
1answer
375 views

terminal block voltage rating

If there is a terminal block that has both a current and voltage rating, I am curious what are the risks of going above the voltage rating (but still staying under the current rating)? Would the ...
0
votes
1answer
934 views

Screw Terminal Broken Screw Removal [closed]

I have a NI DAQ and while connecting wires I tightened the screws a bit more. When I tried to unscrew, the screw head broke and came off. Now I am unable to remove the screws and use the particular ...
0
votes
2answers
4k views

Why is the plastic around my battery terminal melting?

I am using 2 dry batteries for my backup UPS. For some reason the plastic around one of the terminals of a battery is melting and producing a lot of smell. Most of the times it works fine but at some ...
0
votes
1answer
182 views

How do I non-permanently connect stranded wire to small screw?

This seems rather trivial, but I can't seem to find much information on this after a bit of searching online. I'm working on a project right now that requires me attach a passive electrode to a wire, ...
1
vote
1answer
326 views

Terminal spacing for 120-240V

I have a board (Krida electronics, not mine) that uses 2-pole PCB screw terminal blocks with 0.2" (5mm) pin spacing for Line & Neutral input. The conductive parts inside the block are very close ...
1
vote
2answers
881 views

Screw Terminal Block Amperage Ratings

Does the 15A amperage rating for screw terminal blocks such as the ones shown below refer to each pole or to the entire product? I have a project that will require 5A on each pole. Would this block ...
1
vote
2answers
242 views

Using straight connectors with screw endpoint?

I am a complete newbie to wiring but have almost completed the install of a MOSFET board on my 3D Printer. Felt it was necessary to avoid potential fires that this particular printer is known for. I'...
2
votes
1answer
300 views

Pluggable terminal connector long term reliability

I'm investigating the issues related to long term reliability of pluggable terminals of "Phoenix" style. This terminals are available in a range of pitch and configurations (right angle, straight...). ...
9
votes
4answers
7k views

How to reliably secure stranded wire in terminal block?

My 18AWG stranded wire continues to come out of the terminal block it's screwed into. What are some ways that I can more reliably secure this in an industrial environment? Strip extra wire and loop/...
2
votes
1answer
252 views

Replacing screw terminal

I have a robot using the following screw terminal : On the input side 2x 8 awg wires coming from the battery, on the other side 2 x 3 wires for 2 motor drivers and 1 step-down that power a single ...
13
votes
3answers
4k views

Alternatives to screw terminals, breadboards for prototypes?

Often I want to connect components that operate at less than 5v (I mention this as it may have a bearing on the gauge of the wire?) But have an easy way to disconnect. Screw terminals are nice but ...
0
votes
1answer
145 views

“backwards” screw terminals?

Sorry for the lack of proper terminology, but I don't know how to approach even wording a question about this, not to mention search terms. I've seen a lot of PCB-mount screw terminals that have ...
-1
votes
1answer
334 views

Connecting Terminal Blocks to Second PCB Board

I have a daughterboard with 3.5mm screw terminal blocks (such as Digikey part # 277-5749-ND) that has to be connected to the mainboard, with the daughterboard either parallel or perpendicular to the ...
4
votes
1answer
30k views

Which Eagle part to use for this 2-pin Screw Terminal?

This is my first EAGLE design and I'm looking to add some a number of 2-position screw terminals (3.5mm pitch) PRT-08084. Problem: I can find the EAGLE part for ...
2
votes
2answers
2k views

How to know which side of the terminal block on pcb drawing

I'm planning to use Seeed's PCBA Prototype, where they request to use their open parts library(if you want them to solder the parts for you). I came across their screw terminal block(part 3470070P1). ...
3
votes
3answers
4k views

Why are some terminal blocks blue and grey in color

Looking at some terminal blocks like the one below, why are the top level positions color coded blue while the middle ones are in grey? I understand yellow-green are for ground connections. I am ...
0
votes
1answer
4k views

Choosing Screw Terminals for connecting Arduino to other components

For connecting a 16 channel relay board to 16 devices running off 24VDC, and for connecting the relay board to Arduino, I am thinking of using screw terminals where one side of the terminals connect ...
0
votes
2answers
607 views

What's the name of this tamper proof screw ? (looking for screwdriver type) [closed]

I'm trying to fix device witch contain tamper proof screw witch i'm unable to recognize. I have set of standard tamper proof screwdrivers but i'm unable to find any suitable. Could someone recognize ...
0
votes
2answers
581 views

Convert a 40 pin female 2.54mm pitch header to screw terminal blocks

I have the following board and I need to convert the 2 row 40 pin female header to screw terminal blocks. The pitch is 2.54 mm both horizontally and vertically. I've looked at ones such as this https:/...
2
votes
3answers
2k views

Does an inexpensive screw terminal “expansion strip” exist?

I've got a messy security panel that needs cleaning up badly, as I need to connect another PCB for remote access and can't get the wires to reliably stay in place: If you look at the black, red, ...