Checking voltage on LED power supply ?
Not RV related per se, but figured someone here would know. I recently purchased a set of LED lights to put some path lights to avoid tripping. Hooked up the lights and everything works fine. Ne...
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Gdetrailer wrote:JoeH wrote:Tom_M wrote:
Switch your meter to AC and check. Most likely one supply is AC and the other is DC.
Nope-- meter stays on "0" regardless of being on AC or DC.... but the LED lights out in the yard work. Strange
Post a pix of the power supply with the model number..
I suspect it is a high frequency switching supply and has no or little filtering on the output.. Most meters will not read at all or properly 15Khz-30khz frequencies which most switching supplies operate at which could explain why you can't get a reading but the lights work.
Even with poor filtration, the output of a switch-mode supply is still DC and could be measured with any DC volt meter.
