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Re: [Amps] HV Fuse

Subject: Re: [Amps] HV Fuse
From: Jeff Blaine <>
Date: Sat, 21 Sep 2019 12:16:38 -0500
List-post: <>
I did the same thing as Rob, but put a length of 1/2" pyrex tube between the two.  When the fuse goes, that pyrex tube contains the arc.


On 9/21/19 11:23 AM, Carl wrote:
That works until it doesnt and then creates a nice wild plasma arc. That is something to watch!!


----- Original Message ----- From: "Rob Atkinson" <>
To: <>
Sent: Saturday, September 21, 2019 7:27 AM
Subject: Re: [Amps] HV Fuse

I always thought the way to make a h.v. fuse was to bolt a pair of
ceramic standoffs in a convenient location, making them around 2 or 3
inches apart, and stretch a very thin gage copper wire between them,
roughly at or slightly less then the diameter of the plate choke wire,
then run the B+ line through this.   The standoffs should be taller
than the distance between them.

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