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'[EE]: Circuit Board Insulator'
2001\11\03@013517 by Josh Koffman

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Well, I'm not quite sure this is EE, but...

I am building a small circuit on a piece of perfboard. You know, the one
with the grid of holes, and each hole has a little copper pad. Anyway,
there will be 120VAC on this board, basically just going from a terminal
block to a relay in under an inch. there will be two lines of course.
Anyway, what is a safe way to do this? I plan to remove all the copper
pads in the vicinity, and solder a wire directly between the two points.
Question is, what is the best way to insulate any exposed wiring? Is
clear nail polish still a good insulator?

Thanks,

Josh Koffman

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2001\11\03@062707 by Thomas C. Sefranek

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Josh Koffman wrote:

>Well, I'm not quite sure this is EE, but...
>
>I am building a small circuit on a piece of perfboard. You know, the one
>with the grid of holes, and each hole has a little copper pad. Anyway,
>there will be 120VAC on this board, basically just going from a terminal
>block to a relay in under an inch. there will be two lines of course.
>Anyway, what is a safe way to do this? I plan to remove all the copper
>pads in the vicinity, and solder a wire directly between the two points.
>Question is, what is the best way to insulate any exposed wiring? Is
>clear nail polish still a good insulator?
>
I use Silicon Rubber as a high voltage insulator on PCBs.

{Quote hidden}

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2001\11\03@104701 by Dale Botkin

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I second your other response, RTV silicone works great.

Dale
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>

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2001\11\03@120131 by Josh Koffman

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In what form? How do you apply it? I suppose I could use RTV silicone
caulk, but I'd prefer not to have a big bulge of stuff under the board.

Thanks,

Josh Koffman

"Thomas C. Sefranek" wrote:
{Quote hidden}

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2001\11\03@131439 by Dale Botkin

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I use a tube from the hardware store.  You apply it like caulk, then smoth
it out if needed using a wet finger, or slap some wax paper over it until
it dries.  If that's too thick, you could always try electrical tape, or
get some TV corona dope -- I seem to recall that's pretty much liquid
polystyrene you can brush on and let harden.

Dale
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Hallo, this is Bill Gates and I pronounce 'crap' as 'Windows'.

On Sat, 3 Nov 2001, Josh Koffman wrote:

> In what form? How do you apply it? I suppose I could use RTV silicone
> caulk, but I'd prefer not to have a big bulge of stuff under the board.

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2001\11\03@142219 by mooseman

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you could pick up some of that brush on electrical tape. comes in all sorts
of colours ;-)
the stuff i have here is made by North American Oil Company from Atlanta, GA
comes in a 4fl oz can with a brush on the cap.
pretty good stuff. i use it all the time to patch extension cords that get
the sheath damaged, and to seal the terminals on the cord ends.

i think i paid about 7.50 Cdn at an auto parts store for it.

moose.

On Saturday 03 November 2001 09:15, you wrote:
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