Cap Discharge Tool

Byrdman

Shredder
Messages
1,138
What you think? Probably should have made the wire longer but that's an easy fix if I need to. Using a 100 ohm 10 watt resistor.

C19 mod for the DSL100H later this week.
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You can just short the plugs on the cap and use the cap itself as a resistance. If anything happens you can always buy a new cap anyways. :whistle

Edit: joking!! don't do that LOL
 
You can just short the plugs on the cap and use the cap itself as a resistance. If anything happens you can always buy a new cap anyways. :whistle
Yeah, I have done that with AC caps once they are disconnected, but I'd rather get in and get out vs fixing more stuff I screw up:grin
 
Just as an aside, for what it's worth..., I was watching a video about the dangers of these DIY devices built from old transformers out of a microwave oven, that people are using to do 'wood fracking.' They burn fractal patterns into wood using very high voltages. And people's hands from time to time, with electrical burns, according to the video.

I could tell the guy narrating the video seemed to me to know his stuff, and he even mentioned to never use those capacitor leads with resistors to discharge a capacitor. He specifically referenced using a well-insulated screwdriver (with rubber gloves on of course.) I don't recall him saying whether that applies only to capacitors that have been removed from the circuit, but his comment struck me as disagreeing with some replies here, in the context of safety.

And FWIW, my pic of a screwdriver was a half-joke. But I too have discharged A/C capacitors with one, after disconnecting the leads. It's how a heating and air tech friend of mine told me how to do it. Maybe it's different in guitar amps...?
 
Just as an aside, for what it's worth..., I was watching a video about the dangers of these DIY devices built from old transformers out of a microwave oven, that people are using to do 'wood fracking.' They burn fractal patterns into wood using very high voltages. And people's hands from time to time, with electrical burns, according to the video.

I could tell the guy narrating the video seemed to me to know his stuff, and he even mentioned to never use those capacitor leads with resistors to discharge a capacitor. He specifically referenced using a well-insulated screwdriver (with rubber gloves on of course.) I don't recall him saying whether that applies only to capacitors that have been removed from the circuit, but his comment struck me as disagreeing with some replies here, in the context of safety.

And FWIW, my pic of a screwdriver was a half-joke. But I too have discharged A/C capacitors with one, after disconnecting the leads. It's how a heating and air tech friend of mine told me how to do it. Maybe it's different in guitar amps...?

I used to jump the starter with a screwdriver in my 1970 Camaro when I was a teenager.

Chicks loved ballsy shit like that in 1980s. Now they'd wonder why you have a broken car
and not give you the time of day. :LOL:
 
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