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if you are servicing hot-chassis equipment, It Is INCUMBENT that you
power it through an isolation transformer to avoid becoming worm bait. nothing else is safe. the other way to say that is you don't use one, you die and/or burn the place down and also kill the gear you're working on. I got a nice 500-watter from a surplus outfit for $40 a couple months ago. forget the name of the joint, something like skyline surplus just outside cape canaveral. google for it, or do a search on slashdot, which is where I got twigged to it. you will also find this is an item that surplus stores can't keep in stock, so they keep making deals and offering them. there is no good reason except having way more money than you can bear to spend several hundred dollars for one with a test-equipment company name on it. Ken Luther wrote: Hello, Can I use one of those cheap ol' Walmart power strips to as an isolation transfomer (I need to work on my TS-940), or will I need to get a real isolation transformer to prevent a ground loop. The reason I ask, is that about 15 years ago while in tech school, one of my buddies was working on a TV (NOT plugged in to an isolation transformer) using an OScope (NOT plugged it to an isolation transformer, either), and boy was he really suprised when that probe scratched against the chassis on the tv set. 73's Ken KD5ZCL -- If it's a "new economy," why do they want my obsolete old money? |
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