Re: DC power supply grounding
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Correct, it DOES matter that the fuse goes on the HOT side.
You essentially have one in, and two outs.? Fusing one of the outs is not doing you any favours.
In this case you can blow the fuse, and power is still going through your device - that can cause much excitement if the device isn't grounded, or even if it is (hot chassis and all that jazz).
And for the love of god don't put fuses on both the live & neutral.? (And yes, I've seen fused earths, gotta cover all the bases to be extra extra safe, y'know.? Gah. See)
Tony
The fuse can only protect when there is only one path for a return current and fusing N does not protect L from returning on GROUND. Yes, it does matter where the fuse is.
The purpose of a fuse is to protect the wires and prevent a fire.? In that case it does not matter where the fuse is. ?
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Buffalo John
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