Electronics > Beginners

I crimped two wires on a single connector, correctly done (picture)?

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nanofrog:

--- Quote from: onesixright on September 30, 2018, 11:18:38 am ---Take 2!

I redid them, thanks for the feedback!

Better?

--- End quote ---
Much.

The brown and tan wires pass muster to my eyes. Unfortunately, the loose strand in the other wouldn't pass inspection. I suspect you'll get it on the next go though.  ;)

onesixright:

--- Quote from: nanofrog on September 30, 2018, 06:35:09 pm ---
--- Quote from: onesixright on September 30, 2018, 11:18:38 am ---Take 2!

I redid them, thanks for the feedback!

Better?

--- End quote ---
Much.

The brown and tan wires pass muster to my eyes. Unfortunately, the loose strand in the other wouldn't pass inspection. I suspect you'll get it on the next go though.  ;)

--- End quote ---
Thanks. I redid them. Goos exercise. To the trained eye, could probably be better. I’m happy.


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6PTsocket:
In the wire  part of the crimp, I don't like the bare wire in the middle. Either the connector is under sized for that wire gauge or the crimp tool did not do the job properly. As long as that middle is exposed not all the strands are captured. It should not be necessary to solder to keep them in, though I am not as concerned about mixing solder and crimps as some others, here. I am very careful to avoid stray strands.The two sides of that crimp should touch.

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Brumby:
IF you can apply solder to a crimped connection such that it does not extend outside the area which is directly under the crimp for the bare wire, then I have few worries - but the fact of the matter is that solder will wick up the wire strands due to capillary action resulting in bonding of the strands and stiffening of the otherwise flexible wire.

The boundary between the soldered strands and the unsoldered ones becomes a focus point for stress when the wire is subjected to movement.  This point - which is covered by the sheath - will be where the strands fracture.

This is my understanding for not soldering crimp connections.

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