[Amps] Decline of homebrewing?

[Ward Silver]

 > Excellent advice, Jim.

Hear, hear!

And another good piece of advice is to make sure you have an ac safety 
ground connection on every metal enclosure.  With 12 Vdc being the 
normal power supply voltage these days, we can get away with practices 
that would really be hazardous for tube-based gear.

 >  A 50 uF capacitor charged to 4000 V holds a potentially deadly 400 
Joules of energy

In the defibrillator business of a few years ago, this was known as the 
"rescue shock" of last resort.  This amount of energy can lift a 
200-pound person 1.5 feet.  When leveraged by muscle-and-bone, much 
damage can be done.

73, Ward N0AX