Insulating cut Sata Power Cable - is Araldite epoxy glue NON Conductive?

PeterZ640 · Mar 28, 2016

OK I needed to cut off some of the daisy-chained extra Sata Power connections. As seen below on the right they were unsightly ( bulky cable ties under heat shrink ) and got in the way, as I only need a single connection per cable on 3 devices.

I made it bit of a bodge of it as the small cutters couldnt get deep into the recess. So the bare ends were not 100% recessed. See single ended cable. I therefore put some Araldite Epoxy glue in the recesses, as can be seen. But it seemed to flow over the seperating plastic dividers

So my 3 questions are:- 1. Is Araldite at all conductive? 2. I tried to see if there was any conductive connection between the wires, and got no reading - so I am assuming its NON Conductive. Am I right that 20M ohms setting is more "sensitive" than 20K Ohms, i.e. The safest test. No reading on either - so am I right this is safe? 3. The metal pins on This Sata power connection used to move a little back and forward, stopped effectively by the little retaining pop up lugs. Now that its glued they dont move at all, I trust this previous movement is not required for a safe connection.? Apologies if I am over thinking this but I would hate to short out a brand new £199 PSU lol

sizzling · Mar 28, 2016

Most alredite/expoxy is not conductive but there are a few that are, they are usually a grey colour but it would say on the packaging.

My fear of what you have done is getting glue in the pins. If you have they won't push into the sockets and you must not force them as you could damage the socket. A better option would have been to leave some wire and put heatshrink over them, no risk of getting glue where you don't want it.

PeterZ640 · Mar 28, 2016

sizzling :

Thanks,
I Totally agree, and have ordered some adhesive line clear heatshrink to do just that. And it has arrived.
However this means I am one cable short. So I bought some more from EVGA. Sadly I just noticed the "same" cables now dont appear to use adhesive heatshrink over the braiding, but use courser brading and a cable tie covered with non adhesive heatshrink. So apart from being more unsightly, they are even bulkier

See this pic

I am hopeing that they can actually find some of the same ones, like those that came with the PSU i.e. Without cable ties.

Re "My fear of what you have done is getting glue in the pins" Thats a very good point. I hope as it was applied from the cable side and the pins were fully locked in the connector, that no glue ran down past the cable securing tab part.
As I agree that could stop the connector going on properly. Hell it gets worse

When you mentioned your concerns - were you worried about the glue going past the securing tabs i.e. Into the recieving part - or also worried about the glue cementing the cable clamp part to the connector? i.e. Holding it rigid and sort of stoping that slight movement.?

I am beginning to think I need to ditch this cable, just not worth the risk.

sizzling · Mar 28, 2016

Yes I was worried about the glue going past the secure tabs. I have seen similar in model aircraft setups which in larger models can use similar style plugs. Only way to know is trying the plug, if even a tiny amount got in the socket it just won't fit.

13thmonkey · Mar 28, 2016

So you cut it off, then realised you needed another one? Gave no thought to whether you'd need another one in a years time for another drive?
Why not just hang all three devices off one cable and remove the other 2 cables?

PeterZ640 · Mar 28, 2016

sizzling :

Thanks

PeterZ640 · Mar 28, 2016

13thmonkey :

Well yes and no.
I cut it off as It was levering up the SSD, and I stupidly assumed I could cut it back deep enough to make it electrically safe. I intended to use it, but also assumed if the PSU came with a 10 year guarrantee one would be able to get spares / other compatible aftermarket part. Like there are 500 or more different Sata Data cables one can buy but as EVGAs power cable connector is proprietory I need one of theirs and they dont henerally have spares of these!

I cant hang more than one device of a daisy chain on three components, as the daisy chain wont reach that far, or on others it gets very difficult with the bulky wiring loom - due to the case design ( the drives are not stacked one on top of the other ).

Big lesson learnt never cut anything until you have a spare replacement in your hand lol

See the disc sit on polished stainless steel plates spread over 3 areas

13thmonkey · Mar 28, 2016

PeterZ640 :

And please don't unlearn that that they are proprietary, they all are not just EVGA, we've had a couple of 'I used a cable I got off the internet as I can't find my original ones, there was a flash and now nothing works, they are all the same aren't they?' type questions, to which the answer is start replacing components and cross your fingers.

PeterZ640 · Mar 28, 2016

Yep, even though its my first build I sussed that pretty quickly eg this MB 24 pin connector has 2 blocks on the PSU side with 10 + 18 = 28 pins into the PSU.

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