Electronics > Beginners

Beginners Banana Plug Question

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cdev:
Yes, thats what I was thinking about too. (the exposed screw being a potential shock hazard under high voltage circumstances) Also, it can work the other way, carrying ESD to a device.

Also, if a DC wire on a supply set to deliver any real voltage+current comes out of a banana plug and makes contact with something that acts as a  return it could cause issues, perhaps even a fire. I don't like that prospect at all.



--- Quote from: rstofer on December 03, 2018, 03:07:50 pm ---I don't like the more-or-less exposed screw and the shock hazard it presents (depending on application).  I buy Pomona stackable jumpers and never give it much thought.  I use quite a few when programming analog computers.

Non-stackable jumpers are available for soldering and there are no exposed metal surfaces.

https://www.pomonaelectronics.com/products/hardware/banana-plug-18-20-awg-wire

There are others...

--- End quote ---

tooki:

--- Quote from: rstofer on December 03, 2018, 03:07:50 pm ---I don't like the more-or-less exposed screw and the shock hazard it presents (depending on application).  I buy Pomona stackable jumpers and never give it much thought.  I use quite a few when programming analog computers.

--- End quote ---
Though I don’t do anything with dangerous voltages, I still prefer no exposed metal, out of risk of shorting the circuit by accident (and static I hadn’t reeeaally thought about but I suppose that’s a good point!!).

As such, one of my favorites is the Pomona 1825, which is both stackable and has no exposed metal when plugged in: https://www.pomonaelectronics.com/products/hardware/banana-plug-safety-collar-solderless

The other favorite is the Stäubli SLS4-B: (p. 68 on http://ec.staubli.com/AcroFiles/Catalogues/TM_TM-Main-11014124_(en)_hi.pdf#page=65-73 ) Their more expensive plugs are great, too.

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