Please forgive a very basic question...
I've built a few canjos for myself now, and attached piezo pick-ups with a standard jack sockets. No problems. Now I'm building one to sell, and I'm getting paranoid about potential electric shock hazards from having electrical components in a metal tin. Can anyone please tell me what are the risks, and how can I prevent them. - Many thanks. (AS ALWAYS!) Cheers folks.
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One way to deal with that is to ground the tin can. Solder an extra wire to ground lug on jack and attach it to a machine screw, washer and nut to can...and/or solder that end of wire too. This way if positive wire of piezo or ceramic element ever touches can, all charge goes to ground.
I would suggest asking Ted Crocker about his ideas for this issue to be sure and to ease your mind.
Cheers
The only real hazard from electric shock from a canjo with a piezo is shorting the can across exposed electrical wires. The voltages and currents associated with a piezo pickup are insignificant.
That's a beautiful cookie/cake tin. The neck and fretting look good too. Should make for a great instrument.
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