The person who needs a piece of you mind is the Electrical Inspector who didn't do his job.... Fred
On 9/20/16 10:37 AM, Terry Schieler wrote: > Don wrote, > > <The minimum should be a wrist strap connected to the green-wire ground in > your house. You can use a banana plug in the round pin of an electrical > receptacle, but before you trust it, get one of the receptacle testers and > make sure that green wire ground is intact - some are not.> > > I built a new home in 1996. After living there a few years I noticed an > intermittent issue with an outlet on the first floor. Upon opening up the > outlet box I discovered the green "safety ground" coiled up, disconnected in > the back of the box. I fixed that. Then I used a receptacle tester to > confirm the other outlets. All the outlets but three on the first floor had > the disconnected green wire stuffed into the back of the box. I spent a > weekend making them safe again. All outlets in the rest of the house were > fine. > Hearing my experience, most people say "man I hope you gave your builder a > piece of your mind". I was unable to do that as he was in federal prison at > the time... for fraud. Every dog has his day. > > Check your receptacles. > > Terry, WØFM > > > > -----Original Message----- > From: Don Wilhelm [mailto:[email protected]] > Sent: Monday, September 19, 2016 3:59 PM > To: [email protected] > Subject: Re: [Elecraft] Anti-static Pads > > Hi all, > > While I can state that Ron's comment about the K2 is typically true, the > static tolerance of thru-hole ICs and transistors is lower than it was back > in 1998 or even 2006 (OK, I picked those years as a guess). Many DIP mounted > devices are really SMD devices with DIP leads and can be as static sensitive > as the devices in the K3 and KX3. > Despite the "touch grounded metal" instruction in the K2 manual, I do see > some repairs come in with failed firmware ICs, and rarely, but not zero, some > 'normal' ICs on a new build. > My best guess is that those parts were damaged due to a static charge. > Whether the builder did not follow the "touch a metal ground" or not I cannot > tell, all I know is that it failed. > > When possible, use an anti-static mat and wrist strap when handling ICs and > transistors, especially during periods of low humidity. Do not work on > carpet without them and do not wear nylon clothing - and don't shuffle your > feet on the floor while working. > The minimum should be a wrist strap connected to the green-wire ground in > your house. You can use a banana plug in the round pin of an electrical > receptacle, but before you trust it, get one of the receptacle testers and > make sure that green wire ground is intact - some are not. > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] -- Fred Moore email: [email protected] [email protected] phone: 321-217-8699 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
