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Topic: combining power supplies?

To all the electronics folks out there:
If you combine the output of two 12V 12.5A PSUs, do you get 12V but twice the A now, or 24V and twice the A?

Solidoodle 4

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Re: combining power supplies?

Depends on how you combine them. Parallel would do 12v 25a, Series would do 24v 12.5a.

Not all supplies can be connected in series, and most cannot be connected in parallel.

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Re: combining power supplies?

Ditto to what Elmoret said. I don't ever connect two wall connected power supplies, because depending on thier ground states it's possible to send 120VAC   through  the ground wires. ie if one psu uses line ground and  if the power company reverses wiring such as can happen when a crew is doing road work. you can have a 120V from line ground to earth ground. its very rare but I've lost enough equipment to keep me from doing it again.

SD4 with E3D V6.

Those who don't know ask, those who don't care comment,  those who comment without answers  hide ignorance for fear of asking. Be fearless!