Thursday, May 14, 2009

capacitance discharge stick




capacitors hold lethal voltages. yeah, it even enough to kill you.
but its easy to discharge them. all you need is some high power resistors hooked to a ground on your amp chassis. and you put them in an insulated something or other. make sure its sealed up. and your done.
all you need is a 250 ohm /2 watt resistor.. this method takes about a minute to bleed the cap. i chose the high power version. three 250 ohm / 2 watt resistors wired in parallel, i used an old sharpie casing to house them the tip from an old mulitimeter probe, and an aligator clip on a length of 18 gauge wire for hooking up to ground. its all insulated and ready to go.

but just a warning. my way of doing it will drain the caps in seconds. but there will be big pops and stuff when you do it from the electricity moving out faster.
heres some pics.

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