Newbie: tips on how to start?
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From: Michael Black on 16 Jul 2010 08:04 On Thu, 15 Jul 2010, Phil wrote: > On Jul 13, 1:47 am, Rui Maciel <rui.mac...(a)gmail.com> wrote: >> I'm looking into picking up electronics as a hobby. What advice can you spare? >> >> Thanks in advance, >> Rui Maciel > > Become a part of a forum and mingle with other hobbyists.. He's already done that, he posted here. Michael
From: krw on 16 Jul 2010 19:32 On 16 Jul 2010 08:45:11 GMT, Jasen Betts <jasen(a)xnet.co.nz> wrote: >On 2010-07-15, baron <baron.nospam(a)linuxmaniac.nospam.net> wrote: >> Jasen Betts Inscribed thus: >> >>> On 2010-07-14, Baron <baron.nospam(a)linuxmaniac.nospam.net> wrote: >>> >>>>> How often do people drop dead from actual electrocutions in places >>>>> that use 240, just doing plain tasks like you might at home or >>>>> outside? >>>> >>>> People do die from electrocution on 240 volt AC mains. More often >>>> than >>>> not the reflex action causes you to pull away. I agree with your >>>> comment that "the danger is almost always from what you end up >>>> hitting or falling off (like a ladder) /into than from the shock >>>> itself." DC is far more likely to kill you, simply because the muscle >>>> contracts and makes it impossible to let go. >>> >>> AC can do that too, My dad had trouble putting a skilsaw down after >>> cutting the lead. luckily he was able to out-distance the extension >>> lead. Next time he used it with an isolating transformer. >>> >> >> Nasty ! I'm glad he's OK. I use a GFI on power tool cables. > >Didn't have them back in 1975, plastic power tools tools were a >rarity too. If by "plastic" you mean double-insulated, no, by 75 they were *very* common. They started coming out in the mid '60s, IIRC, and were ubiquitous by '75.
From: Michael A. Terrell on 16 Jul 2010 20:27 "Ron M." wrote: > > Yep. RF burns are kinda painful too. But I bet it doesn't compare with > that infamous second anode. That one will make you change your shorts > for sure. That is if your still able to. Hit one of those when I was > in high school. Haven't touched a TV inside once since. Wimp. I've worked with techs who would reach out and touch the second anode lead with their bare hand to test for high voltage. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: Michael A. Terrell on 16 Jul 2010 20:28 Jasen Betts wrote: > > On 2010-07-14, Baron <baron.nospam(a)linuxmaniac.nospam.net> wrote: > > >> How often do people drop dead from actual electrocutions in places > >> that use 240, just doing plain tasks like you might at home or > >> outside? > > > > People do die from electrocution on 240 volt AC mains. More often than > > not the reflex action causes you to pull away. I agree with your > > comment that "the danger is almost always from what you end up hitting > > or falling off (like a ladder) /into than from the shock itself." > > DC is far more likely to kill you, simply because the muscle contracts > > and makes it impossible to let go. > > AC can do that too, My dad had trouble putting a skilsaw down after > cutting the lead. luckily he was able to out-distance the extension > lead. Next time he used it with an isolating transformer. It would be simpler to make sure you can't cut the cord with the saw. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: Michael A. Terrell on 16 Jul 2010 20:30
Michael Black wrote: > > On Thu, 15 Jul 2010, Phil wrote: > > > On Jul 13, 1:47 am, Rui Maciel <rui.mac...(a)gmail.com> wrote: > >> I'm looking into picking up electronics as a hobby. What advice can you spare? > >> > >> Thanks in advance, > >> Rui Maciel > > > > Become a part of a forum and mingle with other hobbyists.. > > He's already done that, he posted here. This isn't a forum, it's a newsgroup. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |