Richard wrote:
Can someone tell me if it is possible to hook up two 12 Volt DC power
supplies in series to increase the voltage, I have two supplies that I would
like to do that with , one being a variable supply. I need About 25 volts
total. Any info on this is greatly appreciated.

If the output pins are isolated from each other and from
the chassis, you can series the power supplies. If the
chassis is connected to the common lead, you can't.

Think batteries. You can generally series two batteries
unless both negatives are tied to the vehicle chassis.
--
73, Cecil http://www.qsl.net/w5dxp


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