Electronics > Projects, Designs, and Technical Stuff
using ferrule to join two wires?
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coppercone2:
So a ferrule that goes over a wire end for a screw terminal, is it acceptable to join two wires with it so long you meet cross sectional area requirements in total for the wire gauge range?
madires:
No, because it's easy to pull out the wire. Are you asking about mains wiring or some low voltage stuff? 
JackJones:
I recall reading something about there being a maximum distance you can parallel mains wire like this. You'd have to ask someone who actually knows for any details.  :-//

They do sell double ferrules that fit two wires so it can't be a complete nono.
coppercone2:
I meant to make a linear splice, so one wire from each end, just as a easy way to join them with heat shrink. I know the tool does not come off.

I wonder if its more resistant to bending them making a solder joint. It compresses the wire much more nicely then the other kind of crimp tool used for these joints. One without the insulation.

The difference is, it would be pulled from both ends. So you need to make something longer and you don't want to solder in a uncomfortable area.
madires:

--- Quote from: gabinetex on December 17, 2019, 11:43:41 am ---If it is properly crimped,

--- End quote ---

As the family's repair shop I've seen too many wires easily pulled out of twin-wire ferules or just barely kept in. And I would assume the manufacturers of the machines used professional crimping tools.
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