Design Con 2015
Breaking News
Comments
Newest First | Oldest First | Threaded View
<<   <   Page 7 / 10   >   >>
Max The Magnificent
User Rank
Blogger
Re: BEWARE: Ground wires can fail
Max The Magnificent   8/14/2014 11:08:44 AM
NO RATINGS
@mhrackin: Maybe he should GOOgle it....

Arrggghh -- go and have another cup of coffee!

mhrackin
User Rank
CEO
Re: BEWARE: Ground wires can fail
mhrackin   8/14/2014 10:57:40 AM
NO RATINGS
Maybe he should GOOgle it....

Max The Magnificent
User Rank
Blogger
Re: BEWARE: Ground wires can fail
Max The Magnificent   8/14/2014 10:47:29 AM
NO RATINGS
@MeasurementBlues: The insulation on the ground wire of all four of my wrist straps failed, exposing the wire inside. On one of them, the insulation is turning into a kind of black goo. It got all over my hands.

Uggh -- remind me not to shake hands with you again.

Are you sure it's goo from the insulation that got all over your hands ... and not goo that was already on your hands being transferred to the insulation?

MeasurementBlues
User Rank
Blogger
Re: BEWARE: Ground wires can fail
MeasurementBlues   8/14/2014 10:36:48 AM
NO RATINGS
Max, I should have been more clear. The insulation on the ground wire of all four of my wrist straps failed, exposing the wire inside. On one of them, the insulation is turning into a kind of black goo. It got all over my hands. On the other three, it just loked like the insulation was stripped away, but I surely didn't do that.

I'll send a link when my article is posted.

Max The Magnificent
User Rank
Blogger
Re: BEWARE: Ground wires can fail
Max The Magnificent   8/14/2014 10:32:50 AM
NO RATINGS
@MeasurementBlues: The insulation in all four of them failed.

The insulation in all for of "what" failed?

MeasurementBlues
User Rank
Blogger
BEWARE: Ground wires can fail
MeasurementBlues   8/14/2014 10:24:50 AM
NO RATINGS
@Max,

I just needed to use an ESD wrist strap to work on my wife's computer. The insulation in all four of them failed. I'll write up a piece about it (with photos) and post a link here.

Max The Magnificent
User Rank
Blogger
Re: power strip and ground plug adapter
Max The Magnificent   8/14/2014 10:24:24 AM
NO RATINGS
@zeglen: A banana plug will fit directly into the outlet ground hole without needing an adapter.

Well, you have to "splay" the end out a bit, and even then it's not a perfect fit -- I think these adapters will do a better job (but they are WAY expensive for what they are)

zeeglen
User Rank
Blogger
Re: power strip and ground plug adapter
zeeglen   8/14/2014 10:18:01 AM
NO RATINGS
A banana plug will fit directly into the outlet ground hole without needing an adapter.  It does help to remove the banana plug plastic insulator sheath, not needed in this application.

Max The Magnificent
User Rank
Blogger
Re: Maybe...
Max The Magnificent   8/14/2014 10:16:31 AM
NO RATINGS
@David: ...The best solution would be to get a mains cable with a proper 3-pin plug,  cut the...

One possible problem with this approach is that if you cut the banana plug off the lead, you might lose the 1M Ohm resistor (these are sometimes mounted in the babana plug itself) -- that's another reason why Wnderer's solution is favorite.

Max The Magnificent
User Rank
Blogger
Re: Maybe...
Max The Magnificent   8/14/2014 10:14:38 AM
NO RATINGS
@David: ...The best solution would be to get a mains cable with a proper 3-pin plug,  cut the...

This is what I was planning on doing (except using plugs that are designed for you to wire up yourself) until Wnderer suggested using the existing banana plugs on the wristbands/mats along with these $7 ground plug adapters.

<<   <   Page 7 / 10   >   >>


Flash Poll
Top Comments of the Week
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

Book Review: Deadly Odds by Allen Wyler
Max Maxfield
11 comments
Generally speaking, when it comes to settling down with a good book, I tend to gravitate towards science fiction and science fantasy. Having said this, I do spend a lot of time reading ...

Martin Rowe

No 2014 Punkin Chunkin, What Will You Do?
Martin Rowe
1 Comment
American Thanksgiving is next week, and while some people watch (American) football all day, the real competition on TV has become Punkin Chunkin. But there will be no Punkin Chunkin on TV ...

Rich Quinnell

Making the Grade in Industrial Design
Rich Quinnell
14 comments
As every developer knows, there are the paper specifications for a product design, and then there are the real requirements. The paper specs are dry, bland, and rigidly numeric, making ...

Martin Rowe

Book Review: Controlling Radiated Emissions by Design
Martin Rowe
1 Comment
Controlling Radiated Emissions by Design, Third Edition, by Michel Mardiguian. Contributions by Donald L. Sweeney and Roger Swanberg. List price: $89.99 (e-book), $119 (hardcover).