Here is yet another PowerPole power distribution box with a built-in Voltmeter and Ammeter. I designed two different covers, one for under-shelf mounting, and one for desktop use. The 3D STL files can be found on my Thingiverse page.
After building version 1, I thought it might be good to have a fuse on the power input so I added space for an additional fuse. I am looking for a larger capacity ammeter so I can increase the capacity. I believe the wiring can support at least 20 Amperes.
I also made the back wall thicker and adjusted the fuse holder dimensions so that the fuse holders could be installed outside the box and threaded inserts could be used to secure them. This also allows for the dust covers that are supplied with them to be used.
Parts to complete the project are available through the usual distributors, Digikey, Mouser, or even Amazon:
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