<https://audiophilestyle.com/forums/topic/4735-lengthy-primer-on-ac-with-some-thoughts-on-reducing-the-computer39s-impact-on-yours/#comment-56304>
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"Interesting read. \nHere in England an “audiophile” power conditioning unit capable of supplying a Kilo Watt of continuous output runs into hundreds of pounds. \nAt the last place I lived I had a dedicated mains supply with a local ground which I put in and then had checked by an electrician at a cost of under £100 including materials. \nDepending on how your home is wired there is another option and that is if there is a separate supply from the inlet fuse box for each room or even each floor you can disconnect all but one socket from the least used ring and use that for a dedicated supply. All one needs to do is wire the disconnected sockets to an alternative ring and run a 10 or 12 gauge ground wire from your dedicated socket to an outside ear thing point; a thick copper pole with the centre drilled out to a couple of inches depth at just above the ground wire diameter and then filled with braising rod works well. Each ring will feed a certain number of sockets and allow you to draw a total current value. As long as you don’t exceed this it’s perfectly safe. \n  \nI have to add IF YOUR NOT COMFORTABLE AND CONFIDENT WORKING WITH MAINS CURRENT DON’T PLAY. \n  \nI must admit I’m a fairly surprised that you guys with the expensive kit don’t have a dedicated supply installed as a matter of course. \n  \nDespite some of the stuff I’ve read which hasn’t always been very accurate I find a UPS system has a lot going for it. \nI use this, the 450VA version. I got it for nothing because the batteries had died. New batteries cost me about £30. \nhttp://www.mediafire.com/?9xx8bfqrlic8tq1 \n  \nApart from the conditioning aspect of a good UPS it has the advantage of having at least 2 batteries and an inbuilt charger. If you really want to know if having all your equipment run on battery power makes any difference this is a cheap way of finding out. \nHere in England you can pick a UPS up for next to nothing. For some unknown reason when companies relocate they tend to throw the old supplies out and buy new. \n  \nAfter that I have a fairly simple self built distribution conditioning block that uses round pin sockets that accept the old style solid brass round pin plugs. All my power leads have been replaced with inexpensive but good quality double screened power cable with 1.5 mm cores. \nEven if your kit draws heavy current 2.5 mm cored wire with foil and braid screen isn’t expensive. If you’re paranoid then ferrite rings on all the component cables can be added. \n  \nCan I hear the difference? Ah, well I couldn’t swear to it either way, but I’ve got it just in case  \nThe point is, my “just in case” cost not very much. It seems some contributors here “just in case” might run into thousands of dollars. Just think, you could probably buy a dac upgrade “just in case” for that amount of money  \n  \n  \n\n"
<https://audiophilestyle.com/forums/topic/4735-lengthy-primer-on-ac-with-some-thoughts-on-reducing-the-computer39s-impact-on-yours/>