Mac Pro ATX Mod - IEC extension cable adapter
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Mount an IEC power connector extension cable to an ATX modded Mac Pro so you can use an unmodified power supply
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Updated at source:
Model information
- Source
- Printables
- Category
- Computers
- License
- Creative Commons — Public Domain
This is an adapter part that press-fits onto the power connector slot of the Mac Pro case, allowing a standard IEC C14 extension cable to be used to provide an almost-flush external power socket. This lets you hide a standard, unmodified ATX power supply inside the case, without the need to perform mods to the case or the PSU.
You will need:
This 3D print
An IEC C14 to C13 extension cable
Two thin cable/zip ties, or screws if you'd prefer
Where to find the cable:
It was slightly tricky to find the right cable. Check Amazon, eBay, AliExpress, and similar marketplaces. It needs to have two “wings” with screw holes. You may also be able to find one spare in old small form factor PC cases, where the PSU is located inside the case, connected via such an extension cable, rather than being directly exposed on the back of the case.
The cable I purchased was titled “C14 to C13 Power Cord Male Toward Female with Screw Holes Heavy Duty Extension" on eBay, and came in “JORINDO” packaging with model number JD3328. The listing had 30cm and 60cm lengths available, I purchased 30cm.
How to print:
I printed with PLA at 0.24mm layer height, but these parameters should be pretty flexible to your preferences given how simple this print is.
Use the zip ties to secure the C14 connector to the adapter part. Should be straightforward, you can refer to the photos if you need a visual guide. Then, carefully fit the part onto the piece of metal around the power connector slot on the case. It will be a tight fit - this is intentional! The first installation will be tricky, but this is so it can stay in place (hopefully) forever.