Author Topic: Ground/earth bridge tabs for Siglent PSU?  (Read 328 times)

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Offline bayjelly

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Ground/earth bridge tabs for Siglent PSU?
« on: December 06, 2020, 07:36:02 am »
I've got an SPD3303C (the one with the 7 segment displays instead of the LCD), and it's been great so far. However, whenever I want to connect earth and ground together, I do so shoddily with some wire.

What do you use to bridge them together? Were there maybe some metal tabs in the package that I just didn't notice?
 

Online tautech

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Re: Ground/earth bridge tabs for Siglent PSU?
« Reply #1 on: December 06, 2020, 07:46:44 am »
No provided links IIRC as these are an isolated output PSU and as such a mains earth connection is not normally used. It's only brought to the front panel for convenience should you need it.
If they're like the X model PSU's the binding posts are cross drilled so it's easy to strap them with a short piece of wire.

Why do you want to strap circuit ground/neg to mains protective earth ?
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Online tautech

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Re: Ground/earth bridge tabs for Siglent PSU?
« Reply #2 on: December 06, 2020, 08:23:22 am »
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Offline bayjelly

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Re: Ground/earth bridge tabs for Siglent PSU?
« Reply #3 on: December 06, 2020, 10:35:08 pm »
If they're like the X model PSU's the binding posts are cross drilled so it's easy to strap them with a short piece of wire.

A piece of wire is what I want to replace, since it's in the way and tends to fall out when using the drill holes for other wires.

Quote
Why do you want to strap circuit ground/neg to mains protective earth ?

Because while it's nice to have an isolated PSU, often-times I don't care about the isolation and instead want to have my devices hooked up to it referenced to the same ground as my computer, oscilloscope, and other non-isolated devices. Those will reference the device to earth anyway, and I prefer that to be consistently so, rather than when I, say, hook up the oscilloscope probe ground clip.

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These are probably what you seek:
https://www.pomonaelectronics.com/products/hardware/shorting-link-binding-posts

Those look like they'll do the job, thanks.
 


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